Home / 1,093,778.20-1,640,667.30-1,051,787.80

Finding the Fourth Proportional to 1,093,778.20, 1,640,667.30 and 1,051,787.80

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Solution

The fourth proportional to 1,093,778.20, 1,640,667.30 and 1,051,787.80 is: 1,577,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,778.20 : 1,640,667.30 = 1,051,787.80 : x
  2. Step 2: Convert to fraction form
    1,093,778.20/1,640,667.30 = 1,051,787.80/x
  3. Step 3: Cross multiply
    1,093,778.20x = 1,640,667.30 × 1,051,787.80
  4. Step 4: Simplify right side
    1,093,778.20x = 1,725,633,849,998.94
  5. Step 5: Solve for x
    x = 1,725,633,849,998.94/1,093,778.20
  6. Step 6: Final answer
    x = 1,577,681.70

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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.