Home / 856,432.50-1,181,781.49-474,363.60

Finding the Fourth Proportional to 856,432.50, 1,181,781.49 and 474,363.60

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Solution

The fourth proportional to 856,432.50, 1,181,781.49 and 474,363.60 is: 654,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,432.50 : 1,181,781.49 = 474,363.60 : x
  2. Step 2: Convert to fraction form
    856,432.50/1,181,781.49 = 474,363.60/x
  3. Step 3: Cross multiply
    856,432.50x = 1,181,781.49 × 474,363.60
  4. Step 4: Simplify right side
    856,432.50x = 560,594,122,009.76
  5. Step 5: Solve for x
    x = 560,594,122,009.76/856,432.50
  6. Step 6: Final answer
    x = 654,568.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.