Home / 866,798.71-1,196,159.20-479,604.04

Finding the Fourth Proportional to 866,798.71, 1,196,159.20 and 479,604.04

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Solution

The fourth proportional to 866,798.71, 1,196,159.20 and 479,604.04 is: 661,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,798.71 : 1,196,159.20 = 479,604.04 : x
  2. Step 2: Convert to fraction form
    866,798.71/1,196,159.20 = 479,604.04/x
  3. Step 3: Cross multiply
    866,798.71x = 1,196,159.20 × 479,604.04
  4. Step 4: Simplify right side
    866,798.71x = 573,682,780,613.76
  5. Step 5: Solve for x
    x = 573,682,780,613.76/866,798.71
  6. Step 6: Final answer
    x = 661,840.84

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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.