Home / 931,572.30-1,397,358.45-266,724.30

Finding the Fourth Proportional to 931,572.30, 1,397,358.45 and 266,724.30

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Solution

The fourth proportional to 931,572.30, 1,397,358.45 and 266,724.30 is: 400,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,572.30 : 1,397,358.45 = 266,724.30 : x
  2. Step 2: Convert to fraction form
    931,572.30/1,397,358.45 = 266,724.30/x
  3. Step 3: Cross multiply
    931,572.30x = 1,397,358.45 × 266,724.30
  4. Step 4: Simplify right side
    931,572.30x = 372,709,454,425.34
  5. Step 5: Solve for x
    x = 372,709,454,425.34/931,572.30
  6. Step 6: Final answer
    x = 400,086.45

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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.