Home / 524,851.38-787,402.00-169,865.40

Finding the Fourth Proportional to 524,851.38, 787,402.00 and 169,865.40

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Solution

The fourth proportional to 524,851.38, 787,402.00 and 169,865.40 is: 254,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,851.38 : 787,402.00 = 169,865.40 : x
  2. Step 2: Convert to fraction form
    524,851.38/787,402.00 = 169,865.40/x
  3. Step 3: Cross multiply
    524,851.38x = 787,402.00 × 169,865.40
  4. Step 4: Simplify right side
    524,851.38x = 133,752,350,904.46
  5. Step 5: Solve for x
    x = 133,752,350,904.46/524,851.38
  6. Step 6: Final answer
    x = 254,838.53

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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.