Home / 1,251,389.82-1,726,895.43-707,516.22

Finding the Fourth Proportional to 1,251,389.82, 1,726,895.43 and 707,516.22

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Solution

The fourth proportional to 1,251,389.82, 1,726,895.43 and 707,516.22 is: 976,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,389.82 : 1,726,895.43 = 707,516.22 : x
  2. Step 2: Convert to fraction form
    1,251,389.82/1,726,895.43 = 707,516.22/x
  3. Step 3: Cross multiply
    1,251,389.82x = 1,726,895.43 × 707,516.22
  4. Step 4: Simplify right side
    1,251,389.82x = 1,221,806,526,968.87
  5. Step 5: Solve for x
    x = 1,221,806,526,968.87/1,251,389.82
  6. Step 6: Final answer
    x = 976,359.65

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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.