Home / 516,331.85-774,016.25-174,537.47

Finding the Fourth Proportional to 516,331.85, 774,016.25 and 174,537.47

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Solution

The fourth proportional to 516,331.85, 774,016.25 and 174,537.47 is: 261,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,331.85 : 774,016.25 = 174,537.47 : x
  2. Step 2: Convert to fraction form
    516,331.85/774,016.25 = 174,537.47/x
  3. Step 3: Cross multiply
    516,331.85x = 774,016.25 × 174,537.47
  4. Step 4: Simplify right side
    516,331.85x = 135,094,833,271.12
  5. Step 5: Solve for x
    x = 135,094,833,271.12/516,331.85
  6. Step 6: Final answer
    x = 261,643.43

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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.