Home / 1,128,218.20-1,692,404.10-329,498.20

Finding the Fourth Proportional to 1,128,218.20, 1,692,404.10 and 329,498.20

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Solution

The fourth proportional to 1,128,218.20, 1,692,404.10 and 329,498.20 is: 494,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,218.20 : 1,692,404.10 = 329,498.20 : x
  2. Step 2: Convert to fraction form
    1,128,218.20/1,692,404.10 = 329,498.20/x
  3. Step 3: Cross multiply
    1,128,218.20x = 1,692,404.10 × 329,498.20
  4. Step 4: Simplify right side
    1,128,218.20x = 557,644,104,622.62
  5. Step 5: Solve for x
    x = 557,644,104,622.62/1,128,218.20
  6. Step 6: Final answer
    x = 494,269.73

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Half scale
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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.