Home / 866,229.59-1,195,362.53-479,019.87

Finding the Fourth Proportional to 866,229.59, 1,195,362.53 and 479,019.87

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Solution

The fourth proportional to 866,229.59, 1,195,362.53 and 479,019.87 is: 661,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,229.59 : 1,195,362.53 = 479,019.87 : x
  2. Step 2: Convert to fraction form
    866,229.59/1,195,362.53 = 479,019.87/x
  3. Step 3: Cross multiply
    866,229.59x = 1,195,362.53 × 479,019.87
  4. Step 4: Simplify right side
    866,229.59x = 572,602,404,921.02
  5. Step 5: Solve for x
    x = 572,602,404,921.02/866,229.59
  6. Step 6: Final answer
    x = 661,028.46

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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.