Home / 421,810.16-582,098.06-230,823.56

Finding the Fourth Proportional to 421,810.16, 582,098.06 and 230,823.56

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Solution

The fourth proportional to 421,810.16, 582,098.06 and 230,823.56 is: 318,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,810.16 : 582,098.06 = 230,823.56 : x
  2. Step 2: Convert to fraction form
    421,810.16/582,098.06 = 230,823.56/x
  3. Step 3: Cross multiply
    421,810.16x = 582,098.06 × 230,823.56
  4. Step 4: Simplify right side
    421,810.16x = 134,361,948,510.60
  5. Step 5: Solve for x
    x = 134,361,948,510.60/421,810.16
  6. Step 6: Final answer
    x = 318,536.54

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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.