Home / 1,328,843.74-1,833,166.50-869,756.20

Finding the Fourth Proportional to 1,328,843.74, 1,833,166.50 and 869,756.20

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Solution

The fourth proportional to 1,328,843.74, 1,833,166.50 and 869,756.20 is: 1,199,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,843.74 : 1,833,166.50 = 869,756.20 : x
  2. Step 2: Convert to fraction form
    1,328,843.74/1,833,166.50 = 869,756.20/x
  3. Step 3: Cross multiply
    1,328,843.74x = 1,833,166.50 × 869,756.20
  4. Step 4: Simplify right side
    1,328,843.74x = 1,594,407,929,007.30
  5. Step 5: Solve for x
    x = 1,594,407,929,007.30/1,328,843.74
  6. Step 6: Final answer
    x = 1,199,846.06

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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.