Home / 866,790.75-1,196,148.20-479,596.07

Finding the Fourth Proportional to 866,790.75, 1,196,148.20 and 479,596.07

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Solution

The fourth proportional to 866,790.75, 1,196,148.20 and 479,596.07 is: 661,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,790.75 : 1,196,148.20 = 479,596.07 : x
  2. Step 2: Convert to fraction form
    866,790.75/1,196,148.20 = 479,596.07/x
  3. Step 3: Cross multiply
    866,790.75x = 1,196,148.20 × 479,596.07
  4. Step 4: Simplify right side
    866,790.75x = 573,667,976,449.96
  5. Step 5: Solve for x
    x = 573,667,976,449.96/866,790.75
  6. Step 6: Final answer
    x = 661,829.83

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Double scale
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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.