Home / 515,434.38-773,151.57-160,484.28

Finding the Fourth Proportional to 515,434.38, 773,151.57 and 160,484.28

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Solution

The fourth proportional to 515,434.38, 773,151.57 and 160,484.28 is: 240,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,434.38 : 773,151.57 = 160,484.28 : x
  2. Step 2: Convert to fraction form
    515,434.38/773,151.57 = 160,484.28/x
  3. Step 3: Cross multiply
    515,434.38x = 773,151.57 × 160,484.28
  4. Step 4: Simplify right side
    515,434.38x = 124,078,673,042.32
  5. Step 5: Solve for x
    x = 124,078,673,042.32/515,434.38
  6. Step 6: Final answer
    x = 240,726.42

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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.