Home / 856,179.11-1,181,535.80-516,581.75

Finding the Fourth Proportional to 856,179.11, 1,181,535.80 and 516,581.75

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Solution

The fourth proportional to 856,179.11, 1,181,535.80 and 516,581.75 is: 712,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,179.11 : 1,181,535.80 = 516,581.75 : x
  2. Step 2: Convert to fraction form
    856,179.11/1,181,535.80 = 516,581.75/x
  3. Step 3: Cross multiply
    856,179.11x = 1,181,535.80 × 516,581.75
  4. Step 4: Simplify right side
    856,179.11x = 610,359,831,622.58
  5. Step 5: Solve for x
    x = 610,359,831,622.58/856,179.11
  6. Step 6: Final answer
    x = 712,888.02

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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.