Home / 591,399.65-815,874.02-361,967.15

Finding the Fourth Proportional to 591,399.65, 815,874.02 and 361,967.15

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Solution

The fourth proportional to 591,399.65, 815,874.02 and 361,967.15 is: 499,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,399.65 : 815,874.02 = 361,967.15 : x
  2. Step 2: Convert to fraction form
    591,399.65/815,874.02 = 361,967.15/x
  3. Step 3: Cross multiply
    591,399.65x = 815,874.02 × 361,967.15
  4. Step 4: Simplify right side
    591,399.65x = 295,319,591,968.61
  5. Step 5: Solve for x
    x = 295,319,591,968.61/591,399.65
  6. Step 6: Final answer
    x = 499,357.06

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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.