Home / 942,540.60-1,300,667.13-512,822.43

Finding the Fourth Proportional to 942,540.60, 1,300,667.13 and 512,822.43

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Solution

The fourth proportional to 942,540.60, 1,300,667.13 and 512,822.43 is: 707,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,540.60 : 1,300,667.13 = 512,822.43 : x
  2. Step 2: Convert to fraction form
    942,540.60/1,300,667.13 = 512,822.43/x
  3. Step 3: Cross multiply
    942,540.60x = 1,300,667.13 × 512,822.43
  4. Step 4: Simplify right side
    942,540.60x = 667,011,278,227.73
  5. Step 5: Solve for x
    x = 667,011,278,227.73/942,540.60
  6. Step 6: Final answer
    x = 707,673.79

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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.