Home / 1,174,921.17-1,762,022.97-812,512.35

Finding the Fourth Proportional to 1,174,921.17, 1,762,022.97 and 812,512.35

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Solution

The fourth proportional to 1,174,921.17, 1,762,022.97 and 812,512.35 is: 1,218,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,921.17 : 1,762,022.97 = 812,512.35 : x
  2. Step 2: Convert to fraction form
    1,174,921.17/1,762,022.97 = 812,512.35/x
  3. Step 3: Cross multiply
    1,174,921.17x = 1,762,022.97 × 812,512.35
  4. Step 4: Simplify right side
    1,174,921.17x = 1,431,665,424,108.68
  5. Step 5: Solve for x
    x = 1,431,665,424,108.68/1,174,921.17
  6. Step 6: Final answer
    x = 1,218,520.41

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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.