Home / 627,769.59-941,359.08-438,443.73

Finding the Fourth Proportional to 627,769.59, 941,359.08 and 438,443.73

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Solution

The fourth proportional to 627,769.59, 941,359.08 and 438,443.73 is: 657,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,769.59 : 941,359.08 = 438,443.73 : x
  2. Step 2: Convert to fraction form
    627,769.59/941,359.08 = 438,443.73/x
  3. Step 3: Cross multiply
    627,769.59x = 941,359.08 × 438,443.73
  4. Step 4: Simplify right side
    627,769.59x = 412,732,986,304.57
  5. Step 5: Solve for x
    x = 412,732,986,304.57/627,769.59
  6. Step 6: Final answer
    x = 657,459.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.