Home / 1,640,880.55-2,264,451.42-905,833.13

Finding the Fourth Proportional to 1,640,880.55, 2,264,451.42 and 905,833.13

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Solution

The fourth proportional to 1,640,880.55, 2,264,451.42 and 905,833.13 is: 1,250,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,880.55 : 2,264,451.42 = 905,833.13 : x
  2. Step 2: Convert to fraction form
    1,640,880.55/2,264,451.42 = 905,833.13/x
  3. Step 3: Cross multiply
    1,640,880.55x = 2,264,451.42 × 905,833.13
  4. Step 4: Simplify right side
    1,640,880.55x = 2,051,215,109,586.16
  5. Step 5: Solve for x
    x = 2,051,215,109,586.16/1,640,880.55
  6. Step 6: Final answer
    x = 1,250,069.73

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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.