Home / 1,661,352.87-2,292,667.97-897,406.77

Finding the Fourth Proportional to 1,661,352.87, 2,292,667.97 and 897,406.77

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Solution

The fourth proportional to 1,661,352.87, 2,292,667.97 and 897,406.77 is: 1,238,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,352.87 : 2,292,667.97 = 897,406.77 : x
  2. Step 2: Convert to fraction form
    1,661,352.87/2,292,667.97 = 897,406.77/x
  3. Step 3: Cross multiply
    1,661,352.87x = 2,292,667.97 × 897,406.77
  4. Step 4: Simplify right side
    1,661,352.87x = 2,057,455,753,153.12
  5. Step 5: Solve for x
    x = 2,057,455,753,153.12/1,661,352.87
  6. Step 6: Final answer
    x = 1,238,421.89

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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.