Home / 714,231.23-985,667.51-391,952.85

Finding the Fourth Proportional to 714,231.23, 985,667.51 and 391,952.85

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Solution

The fourth proportional to 714,231.23, 985,667.51 and 391,952.85 is: 540,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,231.23 : 985,667.51 = 391,952.85 : x
  2. Step 2: Convert to fraction form
    714,231.23/985,667.51 = 391,952.85/x
  3. Step 3: Cross multiply
    714,231.23x = 985,667.51 × 391,952.85
  4. Step 4: Simplify right side
    714,231.23x = 386,335,187,737.14
  5. Step 5: Solve for x
    x = 386,335,187,737.14/714,231.23
  6. Step 6: Final answer
    x = 540,910.53

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1.5x scale

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.