Home / 1,230,816.52-1,847,049.46-432,100.42

Finding the Fourth Proportional to 1,230,816.52, 1,847,049.46 and 432,100.42

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Solution

The fourth proportional to 1,230,816.52, 1,847,049.46 and 432,100.42 is: 648,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,816.52 : 1,847,049.46 = 432,100.42 : x
  2. Step 2: Convert to fraction form
    1,230,816.52/1,847,049.46 = 432,100.42/x
  3. Step 3: Cross multiply
    1,230,816.52x = 1,847,049.46 × 432,100.42
  4. Step 4: Simplify right side
    1,230,816.52x = 798,110,847,426.77
  5. Step 5: Solve for x
    x = 798,110,847,426.77/1,230,816.52
  6. Step 6: Final answer
    x = 648,440.15

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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.