Home / 1,642,335.82-2,266,261.49-917,168.00

Finding the Fourth Proportional to 1,642,335.82, 2,266,261.49 and 917,168.00

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Solution

The fourth proportional to 1,642,335.82, 2,266,261.49 and 917,168.00 is: 1,265,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,335.82 : 2,266,261.49 = 917,168.00 : x
  2. Step 2: Convert to fraction form
    1,642,335.82/2,266,261.49 = 917,168.00/x
  3. Step 3: Cross multiply
    1,642,335.82x = 2,266,261.49 × 917,168.00
  4. Step 4: Simplify right side
    1,642,335.82x = 2,078,542,509,221.93
  5. Step 5: Solve for x
    x = 2,078,542,509,221.93/1,642,335.82
  6. Step 6: Final answer
    x = 1,265,601.40

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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.