Home / 639,938.83-959,733.28-240,548.89

Finding the Fourth Proportional to 639,938.83, 959,733.28 and 240,548.89

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Solution

The fourth proportional to 639,938.83, 959,733.28 and 240,548.89 is: 360,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,938.83 : 959,733.28 = 240,548.89 : x
  2. Step 2: Convert to fraction form
    639,938.83/959,733.28 = 240,548.89/x
  3. Step 3: Cross multiply
    639,938.83x = 959,733.28 × 240,548.89
  4. Step 4: Simplify right side
    639,938.83x = 230,862,769,198.65
  5. Step 5: Solve for x
    x = 230,862,769,198.65/639,938.83
  6. Step 6: Final answer
    x = 360,757.56

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1.5x scale

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.