Home / 1,622,399.74-2,431,883.49-611,084.11

Finding the Fourth Proportional to 1,622,399.74, 2,431,883.49 and 611,084.11

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Solution

The fourth proportional to 1,622,399.74, 2,431,883.49 and 611,084.11 is: 915,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,399.74 : 2,431,883.49 = 611,084.11 : x
  2. Step 2: Convert to fraction form
    1,622,399.74/2,431,883.49 = 611,084.11/x
  3. Step 3: Cross multiply
    1,622,399.74x = 2,431,883.49 × 611,084.11
  4. Step 4: Simplify right side
    1,622,399.74x = 1,486,085,358,110.34
  5. Step 5: Solve for x
    x = 1,486,085,358,110.34/1,622,399.74
  6. Step 6: Final answer
    x = 915,979.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.