Home / 1,331,544.75-1,837,643.72-815,296.11

Finding the Fourth Proportional to 1,331,544.75, 1,837,643.72 and 815,296.11

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Solution

The fourth proportional to 1,331,544.75, 1,837,643.72 and 815,296.11 is: 1,125,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,544.75 : 1,837,643.72 = 815,296.11 : x
  2. Step 2: Convert to fraction form
    1,331,544.75/1,837,643.72 = 815,296.11/x
  3. Step 3: Cross multiply
    1,331,544.75x = 1,837,643.72 × 815,296.11
  4. Step 4: Simplify right side
    1,331,544.75x = 1,498,223,776,481.93
  5. Step 5: Solve for x
    x = 1,498,223,776,481.93/1,331,544.75
  6. Step 6: Final answer
    x = 1,125,177.19

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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.