Home / 1,661,221.61-2,292,487.43-897,275.16

Finding the Fourth Proportional to 1,661,221.61, 2,292,487.43 and 897,275.16

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Solution

The fourth proportional to 1,661,221.61, 2,292,487.43 and 897,275.16 is: 1,238,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,221.61 : 2,292,487.43 = 897,275.16 : x
  2. Step 2: Convert to fraction form
    1,661,221.61/2,292,487.43 = 897,275.16/x
  3. Step 3: Cross multiply
    1,661,221.61x = 2,292,487.43 × 897,275.16
  4. Step 4: Simplify right side
    1,661,221.61x = 2,056,992,025,551.24
  5. Step 5: Solve for x
    x = 2,056,992,025,551.24/1,661,221.61
  6. Step 6: Final answer
    x = 1,238,240.59

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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.