Home / 842,736.16-1,162,691.04-479,902.74

Finding the Fourth Proportional to 842,736.16, 1,162,691.04 and 479,902.74

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Solution

The fourth proportional to 842,736.16, 1,162,691.04 and 479,902.74 is: 662,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,736.16 : 1,162,691.04 = 479,902.74 : x
  2. Step 2: Convert to fraction form
    842,736.16/1,162,691.04 = 479,902.74/x
  3. Step 3: Cross multiply
    842,736.16x = 1,162,691.04 × 479,902.74
  4. Step 4: Simplify right side
    842,736.16x = 557,978,615,869.45
  5. Step 5: Solve for x
    x = 557,978,615,869.45/842,736.16
  6. Step 6: Final answer
    x = 662,103.56

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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.