Home / 659,814.10-989,523.51-344,098.66

Finding the Fourth Proportional to 659,814.10, 989,523.51 and 344,098.66

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Solution

The fourth proportional to 659,814.10, 989,523.51 and 344,098.66 is: 516,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,814.10 : 989,523.51 = 344,098.66 : x
  2. Step 2: Convert to fraction form
    659,814.10/989,523.51 = 344,098.66/x
  3. Step 3: Cross multiply
    659,814.10x = 989,523.51 × 344,098.66
  4. Step 4: Simplify right side
    659,814.10x = 340,493,713,829.50
  5. Step 5: Solve for x
    x = 340,493,713,829.50/659,814.10
  6. Step 6: Final answer
    x = 516,044.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.