Home / 942,961.60-1,301,286.02-513,240.71

Finding the Fourth Proportional to 942,961.60, 1,301,286.02 and 513,240.71

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Solution

The fourth proportional to 942,961.60, 1,301,286.02 and 513,240.71 is: 708,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,961.60 : 1,301,286.02 = 513,240.71 : x
  2. Step 2: Convert to fraction form
    942,961.60/1,301,286.02 = 513,240.71/x
  3. Step 3: Cross multiply
    942,961.60x = 1,301,286.02 × 513,240.71
  4. Step 4: Simplify right side
    942,961.60x = 667,872,951,745.24
  5. Step 5: Solve for x
    x = 667,872,951,745.24/942,961.60
  6. Step 6: Final answer
    x = 708,271.63

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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.