Home / 856,261.92-1,181,765.52-516,779.04

Finding the Fourth Proportional to 856,261.92, 1,181,765.52 and 516,779.04

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Solution

The fourth proportional to 856,261.92, 1,181,765.52 and 516,779.04 is: 713,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,261.92 : 1,181,765.52 = 516,779.04 : x
  2. Step 2: Convert to fraction form
    856,261.92/1,181,765.52 = 516,779.04/x
  3. Step 3: Cross multiply
    856,261.92x = 1,181,765.52 × 516,779.04
  4. Step 4: Simplify right side
    856,261.92x = 610,711,650,930.70
  5. Step 5: Solve for x
    x = 610,711,650,930.70/856,261.92
  6. Step 6: Final answer
    x = 713,229.96

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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.