Home / 791,080.11-1,186,675.50-391,613.62

Finding the Fourth Proportional to 791,080.11, 1,186,675.50 and 391,613.62

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Solution

The fourth proportional to 791,080.11, 1,186,675.50 and 391,613.62 is: 587,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,080.11 : 1,186,675.50 = 391,613.62 : x
  2. Step 2: Convert to fraction form
    791,080.11/1,186,675.50 = 391,613.62/x
  3. Step 3: Cross multiply
    791,080.11x = 1,186,675.50 × 391,613.62
  4. Step 4: Simplify right side
    791,080.11x = 464,718,288,320.31
  5. Step 5: Solve for x
    x = 464,718,288,320.31/791,080.11
  6. Step 6: Final answer
    x = 587,447.82

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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.