Home / 482,815.40-724,223.10-371,059.70

Finding the Fourth Proportional to 482,815.40, 724,223.10 and 371,059.70

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Solution

The fourth proportional to 482,815.40, 724,223.10 and 371,059.70 is: 556,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,815.40 : 724,223.10 = 371,059.70 : x
  2. Step 2: Convert to fraction form
    482,815.40/724,223.10 = 371,059.70/x
  3. Step 3: Cross multiply
    482,815.40x = 724,223.10 × 371,059.70
  4. Step 4: Simplify right side
    482,815.40x = 268,730,006,219.07
  5. Step 5: Solve for x
    x = 268,730,006,219.07/482,815.40
  6. Step 6: Final answer
    x = 556,589.55

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Double scale
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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.