Home / 499,052.27-748,814.49-259,038.61

Finding the Fourth Proportional to 499,052.27, 748,814.49 and 259,038.61

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Solution

The fourth proportional to 499,052.27, 748,814.49 and 259,038.61 is: 388,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,052.27 : 748,814.49 = 259,038.61 : x
  2. Step 2: Convert to fraction form
    499,052.27/748,814.49 = 259,038.61/x
  3. Step 3: Cross multiply
    499,052.27x = 748,814.49 × 259,038.61
  4. Step 4: Simplify right side
    499,052.27x = 193,971,862,765.42
  5. Step 5: Solve for x
    x = 193,971,862,765.42/499,052.27
  6. Step 6: Final answer
    x = 388,680.45

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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.