Home / 755,704.79-1,133,920.09-471,322.34

Finding the Fourth Proportional to 755,704.79, 1,133,920.09 and 471,322.34

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Solution

The fourth proportional to 755,704.79, 1,133,920.09 and 471,322.34 is: 707,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,704.79 : 1,133,920.09 = 471,322.34 : x
  2. Step 2: Convert to fraction form
    755,704.79/1,133,920.09 = 471,322.34/x
  3. Step 3: Cross multiply
    755,704.79x = 1,133,920.09 × 471,322.34
  4. Step 4: Simplify right side
    755,704.79x = 534,441,869,363.56
  5. Step 5: Solve for x
    x = 534,441,869,363.56/755,704.79
  6. Step 6: Final answer
    x = 707,209.85

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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.