Home / 1,517,967.36-2,094,712.56-838,860

Finding the Fourth Proportional to 1,517,967.36, 2,094,712.56 and 838,860

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Solution

The fourth proportional to 1,517,967.36, 2,094,712.56 and 838,860 is: 1,157,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,967.36 : 2,094,712.56 = 838,860 : x
  2. Step 2: Convert to fraction form
    1,517,967.36/2,094,712.56 = 838,860/x
  3. Step 3: Cross multiply
    1,517,967.36x = 2,094,712.56 × 838,860
  4. Step 4: Simplify right side
    1,517,967.36x = 1,757,170,578,081.60
  5. Step 5: Solve for x
    x = 1,757,170,578,081.60/1,517,967.36
  6. Step 6: Final answer
    x = 1,157,581.27

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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.