Home / 1,661,278.01-2,292,564.67-897,331.57

Finding the Fourth Proportional to 1,661,278.01, 2,292,564.67 and 897,331.57

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Solution

The fourth proportional to 1,661,278.01, 2,292,564.67 and 897,331.57 is: 1,238,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,278.01 : 2,292,564.67 = 897,331.57 : x
  2. Step 2: Convert to fraction form
    1,661,278.01/2,292,564.67 = 897,331.57/x
  3. Step 3: Cross multiply
    1,661,278.01x = 2,292,564.67 × 897,331.57
  4. Step 4: Simplify right side
    1,661,278.01x = 2,057,190,646,682.89
  5. Step 5: Solve for x
    x = 2,057,190,646,682.89/1,661,278.01
  6. Step 6: Final answer
    x = 1,238,318.11

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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.