Home / 1,538,777.25-2,123,513.51-859,713.75

Finding the Fourth Proportional to 1,538,777.25, 2,123,513.51 and 859,713.75

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Solution

The fourth proportional to 1,538,777.25, 2,123,513.51 and 859,713.75 is: 1,186,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,777.25 : 2,123,513.51 = 859,713.75 : x
  2. Step 2: Convert to fraction form
    1,538,777.25/2,123,513.51 = 859,713.75/x
  3. Step 3: Cross multiply
    1,538,777.25x = 2,123,513.51 × 859,713.75
  4. Step 4: Simplify right side
    1,538,777.25x = 1,825,613,758,559.19
  5. Step 5: Solve for x
    x = 1,825,613,758,559.19/1,538,777.25
  6. Step 6: Final answer
    x = 1,186,405.48

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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.