Home / 1,640,687.40-2,264,277.53-905,787.74

Finding the Fourth Proportional to 1,640,687.40, 2,264,277.53 and 905,787.74

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Solution

The fourth proportional to 1,640,687.40, 2,264,277.53 and 905,787.74 is: 1,250,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,687.40 : 2,264,277.53 = 905,787.74 : x
  2. Step 2: Convert to fraction form
    1,640,687.40/2,264,277.53 = 905,787.74/x
  3. Step 3: Cross multiply
    1,640,687.40x = 2,264,277.53 × 905,787.74
  4. Step 4: Simplify right side
    1,640,687.40x = 2,050,954,826,914.65
  5. Step 5: Solve for x
    x = 2,050,954,826,914.65/1,640,687.40
  6. Step 6: Final answer
    x = 1,250,058.25

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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.