Home / 1,193,559.80-1,643,974.67-917,389.54

Finding the Fourth Proportional to 1,193,559.80, 1,643,974.67 and 917,389.54

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Solution

The fourth proportional to 1,193,559.80, 1,643,974.67 and 917,389.54 is: 1,263,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,559.80 : 1,643,974.67 = 917,389.54 : x
  2. Step 2: Convert to fraction form
    1,193,559.80/1,643,974.67 = 917,389.54/x
  3. Step 3: Cross multiply
    1,193,559.80x = 1,643,974.67 × 917,389.54
  4. Step 4: Simplify right side
    1,193,559.80x = 1,508,165,170,631.39
  5. Step 5: Solve for x
    x = 1,508,165,170,631.39/1,193,559.80
  6. Step 6: Final answer
    x = 1,263,585.77

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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.