Home / 514,654.15-772,011.47-199,112.71

Finding the Fourth Proportional to 514,654.15, 772,011.47 and 199,112.71

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Solution

The fourth proportional to 514,654.15, 772,011.47 and 199,112.71 is: 298,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,654.15 : 772,011.47 = 199,112.71 : x
  2. Step 2: Convert to fraction form
    514,654.15/772,011.47 = 199,112.71/x
  3. Step 3: Cross multiply
    514,654.15x = 772,011.47 × 199,112.71
  4. Step 4: Simplify right side
    514,654.15x = 153,717,294,947.22
  5. Step 5: Solve for x
    x = 153,717,294,947.22/514,654.15
  6. Step 6: Final answer
    x = 298,680.76

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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.