Home / 1,107,454.80-1,661,182.20-359,500.80

Finding the Fourth Proportional to 1,107,454.80, 1,661,182.20 and 359,500.80

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Solution

The fourth proportional to 1,107,454.80, 1,661,182.20 and 359,500.80 is: 539,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,454.80 : 1,661,182.20 = 359,500.80 : x
  2. Step 2: Convert to fraction form
    1,107,454.80/1,661,182.20 = 359,500.80/x
  3. Step 3: Cross multiply
    1,107,454.80x = 1,661,182.20 × 359,500.80
  4. Step 4: Simplify right side
    1,107,454.80x = 597,196,329,845.76
  5. Step 5: Solve for x
    x = 597,196,329,845.76/1,107,454.80
  6. Step 6: Final answer
    x = 539,251.20

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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.