Home / 682,861.59-942,349.19-376,938.17

Finding the Fourth Proportional to 682,861.59, 942,349.19 and 376,938.17

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Solution

The fourth proportional to 682,861.59, 942,349.19 and 376,938.17 is: 520,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,861.59 : 942,349.19 = 376,938.17 : x
  2. Step 2: Convert to fraction form
    682,861.59/942,349.19 = 376,938.17/x
  3. Step 3: Cross multiply
    682,861.59x = 942,349.19 × 376,938.17
  4. Step 4: Simplify right side
    682,861.59x = 355,207,377,294.89
  5. Step 5: Solve for x
    x = 355,207,377,294.89/682,861.59
  6. Step 6: Final answer
    x = 520,174.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.