Home / 469,764.12-647,379.54-461,127.08

Finding the Fourth Proportional to 469,764.12, 647,379.54 and 461,127.08

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Solution

The fourth proportional to 469,764.12, 647,379.54 and 461,127.08 is: 635,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,764.12 : 647,379.54 = 461,127.08 : x
  2. Step 2: Convert to fraction form
    469,764.12/647,379.54 = 461,127.08/x
  3. Step 3: Cross multiply
    469,764.12x = 647,379.54 × 461,127.08
  4. Step 4: Simplify right side
    469,764.12x = 298,524,236,931.94
  5. Step 5: Solve for x
    x = 298,524,236,931.94/469,764.12
  6. Step 6: Final answer
    x = 635,476.88

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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.