Home / 1,661,333.68-2,292,640.12-897,387.25

Finding the Fourth Proportional to 1,661,333.68, 2,292,640.12 and 897,387.25

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Solution

The fourth proportional to 1,661,333.68, 2,292,640.12 and 897,387.25 is: 1,238,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,333.68 : 2,292,640.12 = 897,387.25 : x
  2. Step 2: Convert to fraction form
    1,661,333.68/2,292,640.12 = 897,387.25/x
  3. Step 3: Cross multiply
    1,661,333.68x = 2,292,640.12 × 897,387.25
  4. Step 4: Simplify right side
    1,661,333.68x = 2,057,386,012,526.47
  5. Step 5: Solve for x
    x = 2,057,386,012,526.47/1,661,333.68
  6. Step 6: Final answer
    x = 1,238,394.21

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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.