Home / 891,666.20-1,337,499.30-587,235.80

Finding the Fourth Proportional to 891,666.20, 1,337,499.30 and 587,235.80

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Solution

The fourth proportional to 891,666.20, 1,337,499.30 and 587,235.80 is: 880,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,666.20 : 1,337,499.30 = 587,235.80 : x
  2. Step 2: Convert to fraction form
    891,666.20/1,337,499.30 = 587,235.80/x
  3. Step 3: Cross multiply
    891,666.20x = 1,337,499.30 × 587,235.80
  4. Step 4: Simplify right side
    891,666.20x = 785,427,471,434.94
  5. Step 5: Solve for x
    x = 785,427,471,434.94/891,666.20
  6. Step 6: Final answer
    x = 880,853.70

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Double scale
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Similar ratio
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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.