Home / 1,042,507.85-1,438,691.15-589,789.13

Finding the Fourth Proportional to 1,042,507.85, 1,438,691.15 and 589,789.13

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Solution

The fourth proportional to 1,042,507.85, 1,438,691.15 and 589,789.13 is: 813,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,507.85 : 1,438,691.15 = 589,789.13 : x
  2. Step 2: Convert to fraction form
    1,042,507.85/1,438,691.15 = 589,789.13/x
  3. Step 3: Cross multiply
    1,042,507.85x = 1,438,691.15 × 589,789.13
  4. Step 4: Simplify right side
    1,042,507.85x = 848,524,395,978.22
  5. Step 5: Solve for x
    x = 848,524,395,978.22/1,042,507.85
  6. Step 6: Final answer
    x = 813,926.15

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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.