Home / 591,366.56-816,086.17-319,434.45

Finding the Fourth Proportional to 591,366.56, 816,086.17 and 319,434.45

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Solution

The fourth proportional to 591,366.56, 816,086.17 and 319,434.45 is: 440,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,366.56 : 816,086.17 = 319,434.45 : x
  2. Step 2: Convert to fraction form
    591,366.56/816,086.17 = 319,434.45/x
  3. Step 3: Cross multiply
    591,366.56x = 816,086.17 × 319,434.45
  4. Step 4: Simplify right side
    591,366.56x = 260,686,038,796.01
  5. Step 5: Solve for x
    x = 260,686,038,796.01/591,366.56
  6. Step 6: Final answer
    x = 440,819.71

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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.