Home / 1,161,993.06-1,603,301.67-678,338.69

Finding the Fourth Proportional to 1,161,993.06, 1,603,301.67 and 678,338.69

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Solution

The fourth proportional to 1,161,993.06, 1,603,301.67 and 678,338.69 is: 935,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,993.06 : 1,603,301.67 = 678,338.69 : x
  2. Step 2: Convert to fraction form
    1,161,993.06/1,603,301.67 = 678,338.69/x
  3. Step 3: Cross multiply
    1,161,993.06x = 1,603,301.67 × 678,338.69
  4. Step 4: Simplify right side
    1,161,993.06x = 1,087,581,554,502.61
  5. Step 5: Solve for x
    x = 1,087,581,554,502.61/1,161,993.06
  6. Step 6: Final answer
    x = 935,962.18

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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.