Home / 933,115.20-1,399,672.80-400,545.60

Finding the Fourth Proportional to 933,115.20, 1,399,672.80 and 400,545.60

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Solution

The fourth proportional to 933,115.20, 1,399,672.80 and 400,545.60 is: 600,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,115.20 : 1,399,672.80 = 400,545.60 : x
  2. Step 2: Convert to fraction form
    933,115.20/1,399,672.80 = 400,545.60/x
  3. Step 3: Cross multiply
    933,115.20x = 1,399,672.80 × 400,545.60
  4. Step 4: Simplify right side
    933,115.20x = 560,632,781,479.68
  5. Step 5: Solve for x
    x = 560,632,781,479.68/933,115.20
  6. Step 6: Final answer
    x = 600,818.40

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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.