Home / 1,177.06-1,624.56-734.86

Finding the Fourth Proportional to 1,177.06, 1,624.56 and 734.86

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Solution

The fourth proportional to 1,177.06, 1,624.56 and 734.86 is: 1,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.06 : 1,624.56 = 734.86 : x
  2. Step 2: Convert to fraction form
    1,177.06/1,624.56 = 734.86/x
  3. Step 3: Cross multiply
    1,177.06x = 1,624.56 × 734.86
  4. Step 4: Simplify right side
    1,177.06x = 1,193,824.16
  5. Step 5: Solve for x
    x = 1,193,824.16/1,177.06
  6. Step 6: Final answer
    x = 1,014.24

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1.5x scale

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.