Home / 738,964.68-1,019,844.30-448,553.28

Finding the Fourth Proportional to 738,964.68, 1,019,844.30 and 448,553.28

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Solution

The fourth proportional to 738,964.68, 1,019,844.30 and 448,553.28 is: 619,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,964.68 : 1,019,844.30 = 448,553.28 : x
  2. Step 2: Convert to fraction form
    738,964.68/1,019,844.30 = 448,553.28/x
  3. Step 3: Cross multiply
    738,964.68x = 1,019,844.30 × 448,553.28
  4. Step 4: Simplify right side
    738,964.68x = 457,454,505,854.30
  5. Step 5: Solve for x
    x = 457,454,505,854.30/738,964.68
  6. Step 6: Final answer
    x = 619,047.86

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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.