Home / 931,644.92-1,397,467.71-291,998.30

Finding the Fourth Proportional to 931,644.92, 1,397,467.71 and 291,998.30

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Solution

The fourth proportional to 931,644.92, 1,397,467.71 and 291,998.30 is: 437,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,644.92 : 1,397,467.71 = 291,998.30 : x
  2. Step 2: Convert to fraction form
    931,644.92/1,397,467.71 = 291,998.30/x
  3. Step 3: Cross multiply
    931,644.92x = 1,397,467.71 × 291,998.30
  4. Step 4: Simplify right side
    931,644.92x = 408,058,188,637.55
  5. Step 5: Solve for x
    x = 408,058,188,637.55/931,644.92
  6. Step 6: Final answer
    x = 437,997.55

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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.