Home / 783,402.17-1,175,103.26-517,100.41

Finding the Fourth Proportional to 783,402.17, 1,175,103.26 and 517,100.41

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Solution

The fourth proportional to 783,402.17, 1,175,103.26 and 517,100.41 is: 775,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,402.17 : 1,175,103.26 = 517,100.41 : x
  2. Step 2: Convert to fraction form
    783,402.17/1,175,103.26 = 517,100.41/x
  3. Step 3: Cross multiply
    783,402.17x = 1,175,103.26 × 517,100.41
  4. Step 4: Simplify right side
    783,402.17x = 607,646,377,538.34
  5. Step 5: Solve for x
    x = 607,646,377,538.34/783,402.17
  6. Step 6: Final answer
    x = 775,650.62

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Double scale
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1.5x scale

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.