Home / 1,191,232.16-1,787,111.76-392,481.44

Finding the Fourth Proportional to 1,191,232.16, 1,787,111.76 and 392,481.44

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Solution

The fourth proportional to 1,191,232.16, 1,787,111.76 and 392,481.44 is: 588,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,232.16 : 1,787,111.76 = 392,481.44 : x
  2. Step 2: Convert to fraction form
    1,191,232.16/1,787,111.76 = 392,481.44/x
  3. Step 3: Cross multiply
    1,191,232.16x = 1,787,111.76 × 392,481.44
  4. Step 4: Simplify right side
    1,191,232.16x = 701,408,197,005.73
  5. Step 5: Solve for x
    x = 701,408,197,005.73/1,191,232.16
  6. Step 6: Final answer
    x = 588,808.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.