Home / 886,048.80-1,329,073.20-550,125.60

Finding the Fourth Proportional to 886,048.80, 1,329,073.20 and 550,125.60

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Solution

The fourth proportional to 886,048.80, 1,329,073.20 and 550,125.60 is: 825,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,048.80 : 1,329,073.20 = 550,125.60 : x
  2. Step 2: Convert to fraction form
    886,048.80/1,329,073.20 = 550,125.60/x
  3. Step 3: Cross multiply
    886,048.80x = 1,329,073.20 × 550,125.60
  4. Step 4: Simplify right side
    886,048.80x = 731,157,191,593.92
  5. Step 5: Solve for x
    x = 731,157,191,593.92/886,048.80
  6. Step 6: Final answer
    x = 825,188.40

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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.