Home / 749,181.76-1,123,538.40-250,429.12

Finding the Fourth Proportional to 749,181.76, 1,123,538.40 and 250,429.12

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Solution

The fourth proportional to 749,181.76, 1,123,538.40 and 250,429.12 is: 375,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,181.76 : 1,123,538.40 = 250,429.12 : x
  2. Step 2: Convert to fraction form
    749,181.76/1,123,538.40 = 250,429.12/x
  3. Step 3: Cross multiply
    749,181.76x = 1,123,538.40 × 250,429.12
  4. Step 4: Simplify right side
    749,181.76x = 281,366,732,798.21
  5. Step 5: Solve for x
    x = 281,366,732,798.21/749,181.76
  6. Step 6: Final answer
    x = 375,565.38

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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.