Home / 1,299,645.16-1,793,389.96-718,855.79

Finding the Fourth Proportional to 1,299,645.16, 1,793,389.96 and 718,855.79

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Solution

The fourth proportional to 1,299,645.16, 1,793,389.96 and 718,855.79 is: 991,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,645.16 : 1,793,389.96 = 718,855.79 : x
  2. Step 2: Convert to fraction form
    1,299,645.16/1,793,389.96 = 718,855.79/x
  3. Step 3: Cross multiply
    1,299,645.16x = 1,793,389.96 × 718,855.79
  4. Step 4: Simplify right side
    1,299,645.16x = 1,289,188,756,473.87
  5. Step 5: Solve for x
    x = 1,289,188,756,473.87/1,299,645.16
  6. Step 6: Final answer
    x = 991,954.42

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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.