Home / 892,419.12-1,231,531.54-484,512.88

Finding the Fourth Proportional to 892,419.12, 1,231,531.54 and 484,512.88

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Solution

The fourth proportional to 892,419.12, 1,231,531.54 and 484,512.88 is: 668,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,419.12 : 1,231,531.54 = 484,512.88 : x
  2. Step 2: Convert to fraction form
    892,419.12/1,231,531.54 = 484,512.88/x
  3. Step 3: Cross multiply
    892,419.12x = 1,231,531.54 × 484,512.88
  4. Step 4: Simplify right side
    892,419.12x = 596,692,893,256.24
  5. Step 5: Solve for x
    x = 596,692,893,256.24/892,419.12
  6. Step 6: Final answer
    x = 668,624.06

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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.