Home / 1,296,669.33-1,787,262.03-866,792.61

Finding the Fourth Proportional to 1,296,669.33, 1,787,262.03 and 866,792.61

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Solution

The fourth proportional to 1,296,669.33, 1,787,262.03 and 866,792.61 is: 1,194,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,669.33 : 1,787,262.03 = 866,792.61 : x
  2. Step 2: Convert to fraction form
    1,296,669.33/1,787,262.03 = 866,792.61/x
  3. Step 3: Cross multiply
    1,296,669.33x = 1,787,262.03 × 866,792.61
  4. Step 4: Simplify right side
    1,296,669.33x = 1,549,185,519,737.60
  5. Step 5: Solve for x
    x = 1,549,185,519,737.60/1,296,669.33
  6. Step 6: Final answer
    x = 1,194,742.16

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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.