Home / 767,393.28-1,151,195.04-261,818.64

Finding the Fourth Proportional to 767,393.28, 1,151,195.04 and 261,818.64

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Solution

The fourth proportional to 767,393.28, 1,151,195.04 and 261,818.64 is: 392,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,393.28 : 1,151,195.04 = 261,818.64 : x
  2. Step 2: Convert to fraction form
    767,393.28/1,151,195.04 = 261,818.64/x
  3. Step 3: Cross multiply
    767,393.28x = 1,151,195.04 × 261,818.64
  4. Step 4: Simplify right side
    767,393.28x = 301,404,319,747.55
  5. Step 5: Solve for x
    x = 301,404,319,747.55/767,393.28
  6. Step 6: Final answer
    x = 392,763.82

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Double scale
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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.