Home / 783,401.17-1,175,101.76-517,099.41

Finding the Fourth Proportional to 783,401.17, 1,175,101.76 and 517,099.41

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Solution

The fourth proportional to 783,401.17, 1,175,101.76 and 517,099.41 is: 775,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,401.17 : 1,175,101.76 = 517,099.41 : x
  2. Step 2: Convert to fraction form
    783,401.17/1,175,101.76 = 517,099.41/x
  3. Step 3: Cross multiply
    783,401.17x = 1,175,101.76 × 517,099.41
  4. Step 4: Simplify right side
    783,401.17x = 607,644,426,785.96
  5. Step 5: Solve for x
    x = 607,644,426,785.96/783,401.17
  6. Step 6: Final answer
    x = 775,649.12

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Double scale
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Similar ratio
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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.