Home / 412,885.20-619,326.66-113,366.10

Finding the Fourth Proportional to 412,885.20, 619,326.66 and 113,366.10

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Solution

The fourth proportional to 412,885.20, 619,326.66 and 113,366.10 is: 170,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,885.20 : 619,326.66 = 113,366.10 : x
  2. Step 2: Convert to fraction form
    412,885.20/619,326.66 = 113,366.10/x
  3. Step 3: Cross multiply
    412,885.20x = 619,326.66 × 113,366.10
  4. Step 4: Simplify right side
    412,885.20x = 70,210,648,070.23
  5. Step 5: Solve for x
    x = 70,210,648,070.23/412,885.20
  6. Step 6: Final answer
    x = 170,048.84

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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.