Home / 1,138,419.52-1,571,184-679,553.50

Finding the Fourth Proportional to 1,138,419.52, 1,571,184 and 679,553.50

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Solution

The fourth proportional to 1,138,419.52, 1,571,184 and 679,553.50 is: 937,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,419.52 : 1,571,184 = 679,553.50 : x
  2. Step 2: Convert to fraction form
    1,138,419.52/1,571,184 = 679,553.50/x
  3. Step 3: Cross multiply
    1,138,419.52x = 1,571,184 × 679,553.50
  4. Step 4: Simplify right side
    1,138,419.52x = 1,067,703,586,344
  5. Step 5: Solve for x
    x = 1,067,703,586,344/1,138,419.52
  6. Step 6: Final answer
    x = 937,882.36

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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.