Home / 798,387.56-1,101,778.98-440,691.56

Finding the Fourth Proportional to 798,387.56, 1,101,778.98 and 440,691.56

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Solution

The fourth proportional to 798,387.56, 1,101,778.98 and 440,691.56 is: 608,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,387.56 : 1,101,778.98 = 440,691.56 : x
  2. Step 2: Convert to fraction form
    798,387.56/1,101,778.98 = 440,691.56/x
  3. Step 3: Cross multiply
    798,387.56x = 1,101,778.98 × 440,691.56
  4. Step 4: Simplify right side
    798,387.56x = 485,544,697,471.41
  5. Step 5: Solve for x
    x = 485,544,697,471.41/798,387.56
  6. Step 6: Final answer
    x = 608,156.64

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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.