Home / 1,081,034.79-1,620,285.61-440,939.04

Finding the Fourth Proportional to 1,081,034.79, 1,620,285.61 and 440,939.04

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Solution

The fourth proportional to 1,081,034.79, 1,620,285.61 and 440,939.04 is: 660,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,034.79 : 1,620,285.61 = 440,939.04 : x
  2. Step 2: Convert to fraction form
    1,081,034.79/1,620,285.61 = 440,939.04/x
  3. Step 3: Cross multiply
    1,081,034.79x = 1,620,285.61 × 440,939.04
  4. Step 4: Simplify right side
    1,081,034.79x = 714,447,181,399.21
  5. Step 5: Solve for x
    x = 714,447,181,399.21/1,081,034.79
  6. Step 6: Final answer
    x = 660,891.94

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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.