Home / 791,080.61-1,186,676.27-391,614.12

Finding the Fourth Proportional to 791,080.61, 1,186,676.27 and 391,614.12

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Solution

The fourth proportional to 791,080.61, 1,186,676.27 and 391,614.12 is: 587,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,080.61 : 1,186,676.27 = 391,614.12 : x
  2. Step 2: Convert to fraction form
    791,080.61/1,186,676.27 = 391,614.12/x
  3. Step 3: Cross multiply
    791,080.61x = 1,186,676.27 × 391,614.12
  4. Step 4: Simplify right side
    791,080.61x = 464,719,181,242.86
  5. Step 5: Solve for x
    x = 464,719,181,242.86/791,080.61
  6. Step 6: Final answer
    x = 587,448.58

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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.