Home / 421,941.70-582,295.56-240,683.14

Finding the Fourth Proportional to 421,941.70, 582,295.56 and 240,683.14

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Solution

The fourth proportional to 421,941.70, 582,295.56 and 240,683.14 is: 332,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,941.70 : 582,295.56 = 240,683.14 : x
  2. Step 2: Convert to fraction form
    421,941.70/582,295.56 = 240,683.14/x
  3. Step 3: Cross multiply
    421,941.70x = 582,295.56 × 240,683.14
  4. Step 4: Simplify right side
    421,941.70x = 140,148,723,788.86
  5. Step 5: Solve for x
    x = 140,148,723,788.86/421,941.70
  6. Step 6: Final answer
    x = 332,151.87

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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.