Home / 514,501.24-771,781.02-159,565.72

Finding the Fourth Proportional to 514,501.24, 771,781.02 and 159,565.72

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Solution

The fourth proportional to 514,501.24, 771,781.02 and 159,565.72 is: 239,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,501.24 : 771,781.02 = 159,565.72 : x
  2. Step 2: Convert to fraction form
    514,501.24/771,781.02 = 159,565.72/x
  3. Step 3: Cross multiply
    514,501.24x = 771,781.02 × 159,565.72
  4. Step 4: Simplify right side
    514,501.24x = 123,149,794,138.63
  5. Step 5: Solve for x
    x = 123,149,794,138.63/514,501.24
  6. Step 6: Final answer
    x = 239,357.62

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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.