Home / 866,778.84-1,196,190.04-479,587.96

Finding the Fourth Proportional to 866,778.84, 1,196,190.04 and 479,587.96

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Solution

The fourth proportional to 866,778.84, 1,196,190.04 and 479,587.96 is: 661,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,778.84 : 1,196,190.04 = 479,587.96 : x
  2. Step 2: Convert to fraction form
    866,778.84/1,196,190.04 = 479,587.96/x
  3. Step 3: Cross multiply
    866,778.84x = 1,196,190.04 × 479,587.96
  4. Step 4: Simplify right side
    866,778.84x = 573,678,341,055.92
  5. Step 5: Solve for x
    x = 573,678,341,055.92/866,778.84
  6. Step 6: Final answer
    x = 661,850.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.