Home / 1,170,436.10-1,755,654.15-328,987.85

Finding the Fourth Proportional to 1,170,436.10, 1,755,654.15 and 328,987.85

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Solution

The fourth proportional to 1,170,436.10, 1,755,654.15 and 328,987.85 is: 493,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,436.10 : 1,755,654.15 = 328,987.85 : x
  2. Step 2: Convert to fraction form
    1,170,436.10/1,755,654.15 = 328,987.85/x
  3. Step 3: Cross multiply
    1,170,436.10x = 1,755,654.15 × 328,987.85
  4. Step 4: Simplify right side
    1,170,436.10x = 577,588,884,152.08
  5. Step 5: Solve for x
    x = 577,588,884,152.08/1,170,436.10
  6. Step 6: Final answer
    x = 493,481.78

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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.