Home / 1,101,953.52-1,520,579.04-618,571.92

Finding the Fourth Proportional to 1,101,953.52, 1,520,579.04 and 618,571.92

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Solution

The fourth proportional to 1,101,953.52, 1,520,579.04 and 618,571.92 is: 853,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,953.52 : 1,520,579.04 = 618,571.92 : x
  2. Step 2: Convert to fraction form
    1,101,953.52/1,520,579.04 = 618,571.92/x
  3. Step 3: Cross multiply
    1,101,953.52x = 1,520,579.04 × 618,571.92
  4. Step 4: Simplify right side
    1,101,953.52x = 940,587,496,284.56
  5. Step 5: Solve for x
    x = 940,587,496,284.56/1,101,953.52
  6. Step 6: Final answer
    x = 853,563.68

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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.