Home / 718,595.83-1,074,658.33-639,101.11

Finding the Fourth Proportional to 718,595.83, 1,074,658.33 and 639,101.11

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Solution

The fourth proportional to 718,595.83, 1,074,658.33 and 639,101.11 is: 955,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,595.83 : 1,074,658.33 = 639,101.11 : x
  2. Step 2: Convert to fraction form
    718,595.83/1,074,658.33 = 639,101.11/x
  3. Step 3: Cross multiply
    718,595.83x = 1,074,658.33 × 639,101.11
  4. Step 4: Simplify right side
    718,595.83x = 686,815,331,573.75
  5. Step 5: Solve for x
    x = 686,815,331,573.75/718,595.83
  6. Step 6: Final answer
    x = 955,774.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.