Home / 840,709.53-1,160,207.15-458,757.27

Finding the Fourth Proportional to 840,709.53, 1,160,207.15 and 458,757.27

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Solution

The fourth proportional to 840,709.53, 1,160,207.15 and 458,757.27 is: 633,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,709.53 : 1,160,207.15 = 458,757.27 : x
  2. Step 2: Convert to fraction form
    840,709.53/1,160,207.15 = 458,757.27/x
  3. Step 3: Cross multiply
    840,709.53x = 1,160,207.15 × 458,757.27
  4. Step 4: Simplify right side
    840,709.53x = 532,253,462,474.69
  5. Step 5: Solve for x
    x = 532,253,462,474.69/840,709.53
  6. Step 6: Final answer
    x = 633,100.31

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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.