Home / 1,242,545.49-1,713,869.82-806,183.28

Finding the Fourth Proportional to 1,242,545.49, 1,713,869.82 and 806,183.28

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Solution

The fourth proportional to 1,242,545.49, 1,713,869.82 and 806,183.28 is: 1,111,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,545.49 : 1,713,869.82 = 806,183.28 : x
  2. Step 2: Convert to fraction form
    1,242,545.49/1,713,869.82 = 806,183.28/x
  3. Step 3: Cross multiply
    1,242,545.49x = 1,713,869.82 × 806,183.28
  4. Step 4: Simplify right side
    1,242,545.49x = 1,381,693,192,980.61
  5. Step 5: Solve for x
    x = 1,381,693,192,980.61/1,242,545.49
  6. Step 6: Final answer
    x = 1,111,986.00

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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.