Home / 925,020.30-1,276,537.51-517,144.80

Finding the Fourth Proportional to 925,020.30, 1,276,537.51 and 517,144.80

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Solution

The fourth proportional to 925,020.30, 1,276,537.51 and 517,144.80 is: 713,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,020.30 : 1,276,537.51 = 517,144.80 : x
  2. Step 2: Convert to fraction form
    925,020.30/1,276,537.51 = 517,144.80/x
  3. Step 3: Cross multiply
    925,020.30x = 1,276,537.51 × 517,144.80
  4. Step 4: Simplify right side
    925,020.30x = 660,154,732,715.72
  5. Step 5: Solve for x
    x = 660,154,732,715.72/925,020.30
  6. Step 6: Final answer
    x = 713,665.13

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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.