Home / 624,839.56-862,278.38-338,359.57

Finding the Fourth Proportional to 624,839.56, 862,278.38 and 338,359.57

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Solution

The fourth proportional to 624,839.56, 862,278.38 and 338,359.57 is: 466,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,839.56 : 862,278.38 = 338,359.57 : x
  2. Step 2: Convert to fraction form
    624,839.56/862,278.38 = 338,359.57/x
  3. Step 3: Cross multiply
    624,839.56x = 862,278.38 × 338,359.57
  4. Step 4: Simplify right side
    624,839.56x = 291,760,139,298.45
  5. Step 5: Solve for x
    x = 291,760,139,298.45/624,839.56
  6. Step 6: Final answer
    x = 466,936.09

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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.