Home / 591,387.35-816,114.06-319,455.17

Finding the Fourth Proportional to 591,387.35, 816,114.06 and 319,455.17

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Solution

The fourth proportional to 591,387.35, 816,114.06 and 319,455.17 is: 440,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,387.35 : 816,114.06 = 319,455.17 : x
  2. Step 2: Convert to fraction form
    591,387.35/816,114.06 = 319,455.17/x
  3. Step 3: Cross multiply
    591,387.35x = 816,114.06 × 319,455.17
  4. Step 4: Simplify right side
    591,387.35x = 260,711,851,562.76
  5. Step 5: Solve for x
    x = 260,711,851,562.76/591,387.35
  6. Step 6: Final answer
    x = 440,847.86

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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.