Home / 754,649.60-1,131,974.39-517,272.62

Finding the Fourth Proportional to 754,649.60, 1,131,974.39 and 517,272.62

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Solution

The fourth proportional to 754,649.60, 1,131,974.39 and 517,272.62 is: 775,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,649.60 : 1,131,974.39 = 517,272.62 : x
  2. Step 2: Convert to fraction form
    754,649.60/1,131,974.39 = 517,272.62/x
  3. Step 3: Cross multiply
    754,649.60x = 1,131,974.39 × 517,272.62
  4. Step 4: Simplify right side
    754,649.60x = 585,539,354,121.51
  5. Step 5: Solve for x
    x = 585,539,354,121.51/754,649.60
  6. Step 6: Final answer
    x = 775,908.92

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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.