Home / 791,081.35-1,186,677.38-391,614.86

Finding the Fourth Proportional to 791,081.35, 1,186,677.38 and 391,614.86

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Solution

The fourth proportional to 791,081.35, 1,186,677.38 and 391,614.86 is: 587,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,081.35 : 1,186,677.38 = 391,614.86 : x
  2. Step 2: Convert to fraction form
    791,081.35/1,186,677.38 = 391,614.86/x
  3. Step 3: Cross multiply
    791,081.35x = 1,186,677.38 × 391,614.86
  4. Step 4: Simplify right side
    791,081.35x = 464,720,499,979.60
  5. Step 5: Solve for x
    x = 464,720,499,979.60/791,081.35
  6. Step 6: Final answer
    x = 587,449.70

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1.5x scale

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.