Home / 782,572.41-1,174,258.94-372,705.71

Finding the Fourth Proportional to 782,572.41, 1,174,258.94 and 372,705.71

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Solution

The fourth proportional to 782,572.41, 1,174,258.94 and 372,705.71 is: 559,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,572.41 : 1,174,258.94 = 372,705.71 : x
  2. Step 2: Convert to fraction form
    782,572.41/1,174,258.94 = 372,705.71/x
  3. Step 3: Cross multiply
    782,572.41x = 1,174,258.94 × 372,705.71
  4. Step 4: Simplify right side
    782,572.41x = 437,653,004,221.72
  5. Step 5: Solve for x
    x = 437,653,004,221.72/782,572.41
  6. Step 6: Final answer
    x = 559,249.21

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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.