Home / 460,745.31-691,071.23-123,742.17

Finding the Fourth Proportional to 460,745.31, 691,071.23 and 123,742.17

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Solution

The fourth proportional to 460,745.31, 691,071.23 and 123,742.17 is: 185,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,745.31 : 691,071.23 = 123,742.17 : x
  2. Step 2: Convert to fraction form
    460,745.31/691,071.23 = 123,742.17/x
  3. Step 3: Cross multiply
    460,745.31x = 691,071.23 × 123,742.17
  4. Step 4: Simplify right side
    460,745.31x = 85,514,653,006.06
  5. Step 5: Solve for x
    x = 85,514,653,006.06/460,745.31
  6. Step 6: Final answer
    x = 185,600.70

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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.