Home / 1,108,965.20-1,530,370.14-599,666.36

Finding the Fourth Proportional to 1,108,965.20, 1,530,370.14 and 599,666.36

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Solution

The fourth proportional to 1,108,965.20, 1,530,370.14 and 599,666.36 is: 827,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,965.20 : 1,530,370.14 = 599,666.36 : x
  2. Step 2: Convert to fraction form
    1,108,965.20/1,530,370.14 = 599,666.36/x
  3. Step 3: Cross multiply
    1,108,965.20x = 1,530,370.14 × 599,666.36
  4. Step 4: Simplify right side
    1,108,965.20x = 917,711,491,306.49
  5. Step 5: Solve for x
    x = 917,711,491,306.49/1,108,965.20
  6. Step 6: Final answer
    x = 827,538.58

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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.