Home / 767,043.39-1,150,731.15-293,728.77

Finding the Fourth Proportional to 767,043.39, 1,150,731.15 and 293,728.77

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Solution

The fourth proportional to 767,043.39, 1,150,731.15 and 293,728.77 is: 440,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,043.39 : 1,150,731.15 = 293,728.77 : x
  2. Step 2: Convert to fraction form
    767,043.39/1,150,731.15 = 293,728.77/x
  3. Step 3: Cross multiply
    767,043.39x = 1,150,731.15 × 293,728.77
  4. Step 4: Simplify right side
    767,043.39x = 338,002,845,290.19
  5. Step 5: Solve for x
    x = 338,002,845,290.19/767,043.39
  6. Step 6: Final answer
    x = 440,656.75

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Similar ratio
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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.