Home / 783,401.67-1,175,102.51-517,099.92

Finding the Fourth Proportional to 783,401.67, 1,175,102.51 and 517,099.92

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Solution

The fourth proportional to 783,401.67, 1,175,102.51 and 517,099.92 is: 775,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,401.67 : 1,175,102.51 = 517,099.92 : x
  2. Step 2: Convert to fraction form
    783,401.67/1,175,102.51 = 517,099.92/x
  3. Step 3: Cross multiply
    783,401.67x = 1,175,102.51 × 517,099.92
  4. Step 4: Simplify right side
    783,401.67x = 607,645,411,327.30
  5. Step 5: Solve for x
    x = 607,645,411,327.30/783,401.67
  6. Step 6: Final answer
    x = 775,649.88

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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.