Home / 421,924.07-632,787.66-122,324.24

Finding the Fourth Proportional to 421,924.07, 632,787.66 and 122,324.24

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Solution

The fourth proportional to 421,924.07, 632,787.66 and 122,324.24 is: 183,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,924.07 : 632,787.66 = 122,324.24 : x
  2. Step 2: Convert to fraction form
    421,924.07/632,787.66 = 122,324.24/x
  3. Step 3: Cross multiply
    421,924.07x = 632,787.66 × 122,324.24
  4. Step 4: Simplify right side
    421,924.07x = 77,405,271,172.85
  5. Step 5: Solve for x
    x = 77,405,271,172.85/421,924.07
  6. Step 6: Final answer
    x = 183,457.82

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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.