Home / 866,384.28-1,195,561.08-479,176.56

Finding the Fourth Proportional to 866,384.28, 1,195,561.08 and 479,176.56

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Solution

The fourth proportional to 866,384.28, 1,195,561.08 and 479,176.56 is: 661,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,384.28 : 1,195,561.08 = 479,176.56 : x
  2. Step 2: Convert to fraction form
    866,384.28/1,195,561.08 = 479,176.56/x
  3. Step 3: Cross multiply
    866,384.28x = 1,195,561.08 × 479,176.56
  4. Step 4: Simplify right side
    866,384.28x = 572,884,845,584.29
  5. Step 5: Solve for x
    x = 572,884,845,584.29/866,384.28
  6. Step 6: Final answer
    x = 661,236.43

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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.