Home / 1,232.38-1,703.72-1,180.74

Finding the Fourth Proportional to 1,232.38, 1,703.72 and 1,180.74

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Solution

The fourth proportional to 1,232.38, 1,703.72 and 1,180.74 is: 1,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.38 : 1,703.72 = 1,180.74 : x
  2. Step 2: Convert to fraction form
    1,232.38/1,703.72 = 1,180.74/x
  3. Step 3: Cross multiply
    1,232.38x = 1,703.72 × 1,180.74
  4. Step 4: Simplify right side
    1,232.38x = 2,011,644.45
  5. Step 5: Solve for x
    x = 2,011,644.45/1,232.38
  6. Step 6: Final answer
    x = 1,632.33

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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.