Home / 1,192,191.44-1,645,235.20-648,332.40

Finding the Fourth Proportional to 1,192,191.44, 1,645,235.20 and 648,332.40

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Solution

The fourth proportional to 1,192,191.44, 1,645,235.20 and 648,332.40 is: 894,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,191.44 : 1,645,235.20 = 648,332.40 : x
  2. Step 2: Convert to fraction form
    1,192,191.44/1,645,235.20 = 648,332.40/x
  3. Step 3: Cross multiply
    1,192,191.44x = 1,645,235.20 × 648,332.40
  4. Step 4: Simplify right side
    1,192,191.44x = 1,066,659,285,780.48
  5. Step 5: Solve for x
    x = 1,066,659,285,780.48/1,192,191.44
  6. Step 6: Final answer
    x = 894,704.70

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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.