Home / 1,687,203.66-2,328,340.95-923,257.26

Finding the Fourth Proportional to 1,687,203.66, 2,328,340.95 and 923,257.26

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Solution

The fourth proportional to 1,687,203.66, 2,328,340.95 and 923,257.26 is: 1,274,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,203.66 : 2,328,340.95 = 923,257.26 : x
  2. Step 2: Convert to fraction form
    1,687,203.66/2,328,340.95 = 923,257.26/x
  3. Step 3: Cross multiply
    1,687,203.66x = 2,328,340.95 × 923,257.26
  4. Step 4: Simplify right side
    1,687,203.66x = 2,149,657,685,842.80
  5. Step 5: Solve for x
    x = 2,149,657,685,842.80/1,687,203.66
  6. Step 6: Final answer
    x = 1,274,094.96

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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.