Home / 1,115,381.77-1,539,101.88-631,843.36

Finding the Fourth Proportional to 1,115,381.77, 1,539,101.88 and 631,843.36

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Solution

The fourth proportional to 1,115,381.77, 1,539,101.88 and 631,843.36 is: 871,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,381.77 : 1,539,101.88 = 631,843.36 : x
  2. Step 2: Convert to fraction form
    1,115,381.77/1,539,101.88 = 631,843.36/x
  3. Step 3: Cross multiply
    1,115,381.77x = 1,539,101.88 × 631,843.36
  4. Step 4: Simplify right side
    1,115,381.77x = 972,471,303,241.52
  5. Step 5: Solve for x
    x = 972,471,303,241.52/1,115,381.77
  6. Step 6: Final answer
    x = 871,873.05

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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.