Home / 731,589.77-1,009,633.11-409,280.65

Finding the Fourth Proportional to 731,589.77, 1,009,633.11 and 409,280.65

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Solution

The fourth proportional to 731,589.77, 1,009,633.11 and 409,280.65 is: 564,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,589.77 : 1,009,633.11 = 409,280.65 : x
  2. Step 2: Convert to fraction form
    731,589.77/1,009,633.11 = 409,280.65/x
  3. Step 3: Cross multiply
    731,589.77x = 1,009,633.11 × 409,280.65
  4. Step 4: Simplify right side
    731,589.77x = 413,223,291,463.44
  5. Step 5: Solve for x
    x = 413,223,291,463.44/731,589.77
  6. Step 6: Final answer
    x = 564,829.23

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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.