Home / 1,268,636.40-1,750,799.16-838,161.36

Finding the Fourth Proportional to 1,268,636.40, 1,750,799.16 and 838,161.36

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Solution

The fourth proportional to 1,268,636.40, 1,750,799.16 and 838,161.36 is: 1,156,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,636.40 : 1,750,799.16 = 838,161.36 : x
  2. Step 2: Convert to fraction form
    1,268,636.40/1,750,799.16 = 838,161.36/x
  3. Step 3: Cross multiply
    1,268,636.40x = 1,750,799.16 × 838,161.36
  4. Step 4: Simplify right side
    1,268,636.40x = 1,467,452,205,032.46
  5. Step 5: Solve for x
    x = 1,467,452,205,032.46/1,268,636.40
  6. Step 6: Final answer
    x = 1,156,716.14

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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.