Home / 868,086.19-1,301,079.52-447,132.43

Finding the Fourth Proportional to 868,086.19, 1,301,079.52 and 447,132.43

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Solution

The fourth proportional to 868,086.19, 1,301,079.52 and 447,132.43 is: 670,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,086.19 : 1,301,079.52 = 447,132.43 : x
  2. Step 2: Convert to fraction form
    868,086.19/1,301,079.52 = 447,132.43/x
  3. Step 3: Cross multiply
    868,086.19x = 1,301,079.52 × 447,132.43
  4. Step 4: Simplify right side
    868,086.19x = 581,754,838,659.77
  5. Step 5: Solve for x
    x = 581,754,838,659.77/868,086.19
  6. Step 6: Final answer
    x = 670,157.93

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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.