Home / 1,150,393.20-1,587,612-634,146.42

Finding the Fourth Proportional to 1,150,393.20, 1,587,612 and 634,146.42

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Solution

The fourth proportional to 1,150,393.20, 1,587,612 and 634,146.42 is: 875,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,393.20 : 1,587,612 = 634,146.42 : x
  2. Step 2: Convert to fraction form
    1,150,393.20/1,587,612 = 634,146.42/x
  3. Step 3: Cross multiply
    1,150,393.20x = 1,587,612 × 634,146.42
  4. Step 4: Simplify right side
    1,150,393.20x = 1,006,778,466,149.04
  5. Step 5: Solve for x
    x = 1,006,778,466,149.04/1,150,393.20
  6. Step 6: Final answer
    x = 875,160.31

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.