Home / 514,947.64-772,455.48-178,020.86

Finding the Fourth Proportional to 514,947.64, 772,455.48 and 178,020.86

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Solution

The fourth proportional to 514,947.64, 772,455.48 and 178,020.86 is: 267,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,947.64 : 772,455.48 = 178,020.86 : x
  2. Step 2: Convert to fraction form
    514,947.64/772,455.48 = 178,020.86/x
  3. Step 3: Cross multiply
    514,947.64x = 772,455.48 × 178,020.86
  4. Step 4: Simplify right side
    514,947.64x = 137,513,188,861.31
  5. Step 5: Solve for x
    x = 137,513,188,861.31/514,947.64
  6. Step 6: Final answer
    x = 267,043.05

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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.