Home / 1,081,096.80-1,621,842.84-361,370.40

Finding the Fourth Proportional to 1,081,096.80, 1,621,842.84 and 361,370.40

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Solution

The fourth proportional to 1,081,096.80, 1,621,842.84 and 361,370.40 is: 542,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,096.80 : 1,621,842.84 = 361,370.40 : x
  2. Step 2: Convert to fraction form
    1,081,096.80/1,621,842.84 = 361,370.40/x
  3. Step 3: Cross multiply
    1,081,096.80x = 1,621,842.84 × 361,370.40
  4. Step 4: Simplify right side
    1,081,096.80x = 586,085,995,827.94
  5. Step 5: Solve for x
    x = 586,085,995,827.94/1,081,096.80
  6. Step 6: Final answer
    x = 542,121.66

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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.