Home / 1,151,870.67-1,589,897.68-668,591.51

Finding the Fourth Proportional to 1,151,870.67, 1,589,897.68 and 668,591.51

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Solution

The fourth proportional to 1,151,870.67, 1,589,897.68 and 668,591.51 is: 922,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,870.67 : 1,589,897.68 = 668,591.51 : x
  2. Step 2: Convert to fraction form
    1,151,870.67/1,589,897.68 = 668,591.51/x
  3. Step 3: Cross multiply
    1,151,870.67x = 1,589,897.68 × 668,591.51
  4. Step 4: Simplify right side
    1,151,870.67x = 1,062,992,090,616.70
  5. Step 5: Solve for x
    x = 1,062,992,090,616.70/1,151,870.67
  6. Step 6: Final answer
    x = 922,839.79

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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.