Home / 868,092.13-1,198,382.49-578,186.15

Finding the Fourth Proportional to 868,092.13, 1,198,382.49 and 578,186.15

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Solution

The fourth proportional to 868,092.13, 1,198,382.49 and 578,186.15 is: 798,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,092.13 : 1,198,382.49 = 578,186.15 : x
  2. Step 2: Convert to fraction form
    868,092.13/1,198,382.49 = 578,186.15/x
  3. Step 3: Cross multiply
    868,092.13x = 1,198,382.49 × 578,186.15
  4. Step 4: Simplify right side
    868,092.13x = 692,888,158,120.51
  5. Step 5: Solve for x
    x = 692,888,158,120.51/868,092.13
  6. Step 6: Final answer
    x = 798,173.53

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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.