Home / 856,761.76-1,182,228.24-474,793.12

Finding the Fourth Proportional to 856,761.76, 1,182,228.24 and 474,793.12

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Solution

The fourth proportional to 856,761.76, 1,182,228.24 and 474,793.12 is: 655,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,761.76 : 1,182,228.24 = 474,793.12 : x
  2. Step 2: Convert to fraction form
    856,761.76/1,182,228.24 = 474,793.12/x
  3. Step 3: Cross multiply
    856,761.76x = 1,182,228.24 × 474,793.12
  4. Step 4: Simplify right side
    856,761.76x = 561,313,834,621.71
  5. Step 5: Solve for x
    x = 561,313,834,621.71/856,761.76
  6. Step 6: Final answer
    x = 655,157.43

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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.