Home / 695,864.62-960,276.90-409,403.14

Finding the Fourth Proportional to 695,864.62, 960,276.90 and 409,403.14

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Solution

The fourth proportional to 695,864.62, 960,276.90 and 409,403.14 is: 564,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,864.62 : 960,276.90 = 409,403.14 : x
  2. Step 2: Convert to fraction form
    695,864.62/960,276.90 = 409,403.14/x
  3. Step 3: Cross multiply
    695,864.62x = 960,276.90 × 409,403.14
  4. Step 4: Simplify right side
    695,864.62x = 393,140,378,129.47
  5. Step 5: Solve for x
    x = 393,140,378,129.47/695,864.62
  6. Step 6: Final answer
    x = 564,966.76

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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.