Home / 695,864.14-960,276.20-409,402.64

Finding the Fourth Proportional to 695,864.14, 960,276.20 and 409,402.64

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Solution

The fourth proportional to 695,864.14, 960,276.20 and 409,402.64 is: 564,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,864.14 : 960,276.20 = 409,402.64 : x
  2. Step 2: Convert to fraction form
    695,864.14/960,276.20 = 409,402.64/x
  3. Step 3: Cross multiply
    695,864.14x = 960,276.20 × 409,402.64
  4. Step 4: Simplify right side
    695,864.14x = 393,139,611,409.17
  5. Step 5: Solve for x
    x = 393,139,611,409.17/695,864.14
  6. Step 6: Final answer
    x = 564,966.05

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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.