Home / 482,964.10-724,543.35-404,620.90

Finding the Fourth Proportional to 482,964.10, 724,543.35 and 404,620.90

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Solution

The fourth proportional to 482,964.10, 724,543.35 and 404,620.90 is: 607,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,964.10 : 724,543.35 = 404,620.90 : x
  2. Step 2: Convert to fraction form
    482,964.10/724,543.35 = 404,620.90/x
  3. Step 3: Cross multiply
    482,964.10x = 724,543.35 × 404,620.90
  4. Step 4: Simplify right side
    482,964.10x = 293,165,382,366.02
  5. Step 5: Solve for x
    x = 293,165,382,366.02/482,964.10
  6. Step 6: Final answer
    x = 607,012.78

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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.