Home / 783,119.70-1,174,679.55-482,625.90

Finding the Fourth Proportional to 783,119.70, 1,174,679.55 and 482,625.90

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Solution

The fourth proportional to 783,119.70, 1,174,679.55 and 482,625.90 is: 723,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,119.70 : 1,174,679.55 = 482,625.90 : x
  2. Step 2: Convert to fraction form
    783,119.70/1,174,679.55 = 482,625.90/x
  3. Step 3: Cross multiply
    783,119.70x = 1,174,679.55 × 482,625.90
  4. Step 4: Simplify right side
    783,119.70x = 566,930,775,030.35
  5. Step 5: Solve for x
    x = 566,930,775,030.35/783,119.70
  6. Step 6: Final answer
    x = 723,938.85

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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.