Home / 421,943.18-582,166.44-240,588.98

Finding the Fourth Proportional to 421,943.18, 582,166.44 and 240,588.98

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Solution

The fourth proportional to 421,943.18, 582,166.44 and 240,588.98 is: 331,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,943.18 : 582,166.44 = 240,588.98 : x
  2. Step 2: Convert to fraction form
    421,943.18/582,166.44 = 240,588.98/x
  3. Step 3: Cross multiply
    421,943.18x = 582,166.44 × 240,588.98
  4. Step 4: Simplify right side
    421,943.18x = 140,062,829,989.83
  5. Step 5: Solve for x
    x = 140,062,829,989.83/421,943.18
  6. Step 6: Final answer
    x = 331,947.14

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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.