Home / 479,816.16-719,725.10-124,829.61

Finding the Fourth Proportional to 479,816.16, 719,725.10 and 124,829.61

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Solution

The fourth proportional to 479,816.16, 719,725.10 and 124,829.61 is: 187,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,816.16 : 719,725.10 = 124,829.61 : x
  2. Step 2: Convert to fraction form
    479,816.16/719,725.10 = 124,829.61/x
  3. Step 3: Cross multiply
    479,816.16x = 719,725.10 × 124,829.61
  4. Step 4: Simplify right side
    479,816.16x = 89,843,003,540.21
  5. Step 5: Solve for x
    x = 89,843,003,540.21/479,816.16
  6. Step 6: Final answer
    x = 187,244.64

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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.