Home / 482,917.40-724,376.10-416,432.60

Finding the Fourth Proportional to 482,917.40, 724,376.10 and 416,432.60

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Solution

The fourth proportional to 482,917.40, 724,376.10 and 416,432.60 is: 624,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,917.40 : 724,376.10 = 416,432.60 : x
  2. Step 2: Convert to fraction form
    482,917.40/724,376.10 = 416,432.60/x
  3. Step 3: Cross multiply
    482,917.40x = 724,376.10 × 416,432.60
  4. Step 4: Simplify right side
    482,917.40x = 301,653,822,700.86
  5. Step 5: Solve for x
    x = 301,653,822,700.86/482,917.40
  6. Step 6: Final answer
    x = 624,648.90

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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.