Home / 581,300.18-802,218.01-326,650.76

Finding the Fourth Proportional to 581,300.18, 802,218.01 and 326,650.76

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Solution

The fourth proportional to 581,300.18, 802,218.01 and 326,650.76 is: 450,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,300.18 : 802,218.01 = 326,650.76 : x
  2. Step 2: Convert to fraction form
    581,300.18/802,218.01 = 326,650.76/x
  3. Step 3: Cross multiply
    581,300.18x = 802,218.01 × 326,650.76
  4. Step 4: Simplify right side
    581,300.18x = 262,045,122,652.19
  5. Step 5: Solve for x
    x = 262,045,122,652.19/581,300.18
  6. Step 6: Final answer
    x = 450,791.40

Related Problems

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Half scale
Find fourth proportional to 1,162,600.36, 1,604,436.02 and 653,301.52
Double scale
Find fourth proportional to 581,301.18, 802,219.39 and 326,651.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.