Home / 1,250,315.75-1,725,426.19-677,351.82

Finding the Fourth Proportional to 1,250,315.75, 1,725,426.19 and 677,351.82

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Solution

The fourth proportional to 1,250,315.75, 1,725,426.19 and 677,351.82 is: 934,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,315.75 : 1,725,426.19 = 677,351.82 : x
  2. Step 2: Convert to fraction form
    1,250,315.75/1,725,426.19 = 677,351.82/x
  3. Step 3: Cross multiply
    1,250,315.75x = 1,725,426.19 × 677,351.82
  4. Step 4: Simplify right side
    1,250,315.75x = 1,168,720,570,072.17
  5. Step 5: Solve for x
    x = 1,168,720,570,072.17/1,250,315.75
  6. Step 6: Final answer
    x = 934,740.34

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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.