Home / 886,450.20-1,223,347.08-542,178.13

Finding the Fourth Proportional to 886,450.20, 1,223,347.08 and 542,178.13

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Solution

The fourth proportional to 886,450.20, 1,223,347.08 and 542,178.13 is: 748,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,450.20 : 1,223,347.08 = 542,178.13 : x
  2. Step 2: Convert to fraction form
    886,450.20/1,223,347.08 = 542,178.13/x
  3. Step 3: Cross multiply
    886,450.20x = 1,223,347.08 × 542,178.13
  4. Step 4: Simplify right side
    886,450.20x = 663,272,032,175.36
  5. Step 5: Solve for x
    x = 663,272,032,175.36/886,450.20
  6. Step 6: Final answer
    x = 748,233.83

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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.