Home / 401,769.12-554,232.06-238,330.56

Finding the Fourth Proportional to 401,769.12, 554,232.06 and 238,330.56

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Solution

The fourth proportional to 401,769.12, 554,232.06 and 238,330.56 is: 328,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,769.12 : 554,232.06 = 238,330.56 : x
  2. Step 2: Convert to fraction form
    401,769.12/554,232.06 = 238,330.56/x
  3. Step 3: Cross multiply
    401,769.12x = 554,232.06 × 238,330.56
  4. Step 4: Simplify right side
    401,769.12x = 132,090,437,229.75
  5. Step 5: Solve for x
    x = 132,090,437,229.75/401,769.12
  6. Step 6: Final answer
    x = 328,772.00

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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.