Home / 1,177.25-1,624.19-734.99

Finding the Fourth Proportional to 1,177.25, 1,624.19 and 734.99

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Solution

The fourth proportional to 1,177.25, 1,624.19 and 734.99 is: 1,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.25 : 1,624.19 = 734.99 : x
  2. Step 2: Convert to fraction form
    1,177.25/1,624.19 = 734.99/x
  3. Step 3: Cross multiply
    1,177.25x = 1,624.19 × 734.99
  4. Step 4: Simplify right side
    1,177.25x = 1,193,751.61
  5. Step 5: Solve for x
    x = 1,193,751.61/1,177.25
  6. Step 6: Final answer
    x = 1,014.02

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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.