Home / 572,542.20-858,813.30-543,017.70

Finding the Fourth Proportional to 572,542.20, 858,813.30 and 543,017.70

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Solution

The fourth proportional to 572,542.20, 858,813.30 and 543,017.70 is: 814,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,542.20 : 858,813.30 = 543,017.70 : x
  2. Step 2: Convert to fraction form
    572,542.20/858,813.30 = 543,017.70/x
  3. Step 3: Cross multiply
    572,542.20x = 858,813.30 × 543,017.70
  4. Step 4: Simplify right side
    572,542.20x = 466,350,822,895.41
  5. Step 5: Solve for x
    x = 466,350,822,895.41/572,542.20
  6. Step 6: Final answer
    x = 814,526.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.