Home / 581,290.17-802,204.20-326,640.75

Finding the Fourth Proportional to 581,290.17, 802,204.20 and 326,640.75

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Solution

The fourth proportional to 581,290.17, 802,204.20 and 326,640.75 is: 450,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,290.17 : 802,204.20 = 326,640.75 : x
  2. Step 2: Convert to fraction form
    581,290.17/802,204.20 = 326,640.75/x
  3. Step 3: Cross multiply
    581,290.17x = 802,204.20 × 326,640.75
  4. Step 4: Simplify right side
    581,290.17x = 262,032,581,541.15
  5. Step 5: Solve for x
    x = 262,032,581,541.15/581,290.17
  6. Step 6: Final answer
    x = 450,777.59

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Double scale
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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.