Home / 639,939.33-959,734.03-240,549.39

Finding the Fourth Proportional to 639,939.33, 959,734.03 and 240,549.39

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Solution

The fourth proportional to 639,939.33, 959,734.03 and 240,549.39 is: 360,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,939.33 : 959,734.03 = 240,549.39 : x
  2. Step 2: Convert to fraction form
    639,939.33/959,734.03 = 240,549.39/x
  3. Step 3: Cross multiply
    639,939.33x = 959,734.03 × 240,549.39
  4. Step 4: Simplify right side
    639,939.33x = 230,863,429,477.33
  5. Step 5: Solve for x
    x = 230,863,429,477.33/639,939.33
  6. Step 6: Final answer
    x = 360,758.31

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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.