Home / 1,242,538.50-1,713,860.16-806,176.24

Finding the Fourth Proportional to 1,242,538.50, 1,713,860.16 and 806,176.24

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Solution

The fourth proportional to 1,242,538.50, 1,713,860.16 and 806,176.24 is: 1,111,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,538.50 : 1,713,860.16 = 806,176.24 : x
  2. Step 2: Convert to fraction form
    1,242,538.50/1,713,860.16 = 806,176.24/x
  3. Step 3: Cross multiply
    1,242,538.50x = 1,713,860.16 × 806,176.24
  4. Step 4: Simplify right side
    1,242,538.50x = 1,381,673,339,674.60
  5. Step 5: Solve for x
    x = 1,381,673,339,674.60/1,242,538.50
  6. Step 6: Final answer
    x = 1,111,976.28

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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.