Home / 753,331.91-1,039,605.66-409,171.16

Finding the Fourth Proportional to 753,331.91, 1,039,605.66 and 409,171.16

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Solution

The fourth proportional to 753,331.91, 1,039,605.66 and 409,171.16 is: 564,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,331.91 : 1,039,605.66 = 409,171.16 : x
  2. Step 2: Convert to fraction form
    753,331.91/1,039,605.66 = 409,171.16/x
  3. Step 3: Cross multiply
    753,331.91x = 1,039,605.66 × 409,171.16
  4. Step 4: Simplify right side
    753,331.91x = 425,376,648,646.74
  5. Step 5: Solve for x
    x = 425,376,648,646.74/753,331.91
  6. Step 6: Final answer
    x = 564,660.34

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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.