Home / 695,882.40-960,301.44-409,420.92

Finding the Fourth Proportional to 695,882.40, 960,301.44 and 409,420.92

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Solution

The fourth proportional to 695,882.40, 960,301.44 and 409,420.92 is: 564,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,882.40 : 960,301.44 = 409,420.92 : x
  2. Step 2: Convert to fraction form
    695,882.40/960,301.44 = 409,420.92/x
  3. Step 3: Cross multiply
    695,882.40x = 960,301.44 × 409,420.92
  4. Step 4: Simplify right side
    695,882.40x = 393,167,499,042.13
  5. Step 5: Solve for x
    x = 393,167,499,042.13/695,882.40
  6. Step 6: Final answer
    x = 564,991.30

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Double scale
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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.