Home / 942,827.90-1,301,077.52-513,098.78

Finding the Fourth Proportional to 942,827.90, 1,301,077.52 and 513,098.78

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Solution

The fourth proportional to 942,827.90, 1,301,077.52 and 513,098.78 is: 708,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,827.90 : 1,301,077.52 = 513,098.78 : x
  2. Step 2: Convert to fraction form
    942,827.90/1,301,077.52 = 513,098.78/x
  3. Step 3: Cross multiply
    942,827.90x = 1,301,077.52 × 513,098.78
  4. Step 4: Simplify right side
    942,827.90x = 667,581,288,197.43
  5. Step 5: Solve for x
    x = 667,581,288,197.43/942,827.90
  6. Step 6: Final answer
    x = 708,062.72

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1.5x scale

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.