Home / 783,400.17-1,175,100.26-517,098.41

Finding the Fourth Proportional to 783,400.17, 1,175,100.26 and 517,098.41

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Solution

The fourth proportional to 783,400.17, 1,175,100.26 and 517,098.41 is: 775,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,400.17 : 1,175,100.26 = 517,098.41 : x
  2. Step 2: Convert to fraction form
    783,400.17/1,175,100.26 = 517,098.41/x
  3. Step 3: Cross multiply
    783,400.17x = 1,175,100.26 × 517,098.41
  4. Step 4: Simplify right side
    783,400.17x = 607,642,481,500.84
  5. Step 5: Solve for x
    x = 607,642,481,500.84/783,400.17
  6. Step 6: Final answer
    x = 775,647.62

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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.