Home / 886,909.20-1,331,019.90-587,290.20

Finding the Fourth Proportional to 886,909.20, 1,331,019.90 and 587,290.20

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Solution

The fourth proportional to 886,909.20, 1,331,019.90 and 587,290.20 is: 881,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,909.20 : 1,331,019.90 = 587,290.20 : x
  2. Step 2: Convert to fraction form
    886,909.20/1,331,019.90 = 587,290.20/x
  3. Step 3: Cross multiply
    886,909.20x = 1,331,019.90 × 587,290.20
  4. Step 4: Simplify right side
    886,909.20x = 781,694,943,274.98
  5. Step 5: Solve for x
    x = 781,694,943,274.98/886,909.20
  6. Step 6: Final answer
    x = 881,369.75

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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.