Home / 482,721.40-724,082.10-202,209.40

Finding the Fourth Proportional to 482,721.40, 724,082.10 and 202,209.40

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Solution

The fourth proportional to 482,721.40, 724,082.10 and 202,209.40 is: 303,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,721.40 : 724,082.10 = 202,209.40 : x
  2. Step 2: Convert to fraction form
    482,721.40/724,082.10 = 202,209.40/x
  3. Step 3: Cross multiply
    482,721.40x = 724,082.10 × 202,209.40
  4. Step 4: Simplify right side
    482,721.40x = 146,416,206,991.74
  5. Step 5: Solve for x
    x = 146,416,206,991.74/482,721.40
  6. Step 6: Final answer
    x = 303,314.10

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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.