Home / 1,691,833.76-2,334,731.10-917,464.37

Finding the Fourth Proportional to 1,691,833.76, 2,334,731.10 and 917,464.37

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Solution

The fourth proportional to 1,691,833.76, 2,334,731.10 and 917,464.37 is: 1,266,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,833.76 : 2,334,731.10 = 917,464.37 : x
  2. Step 2: Convert to fraction form
    1,691,833.76/2,334,731.10 = 917,464.37/x
  3. Step 3: Cross multiply
    1,691,833.76x = 2,334,731.10 × 917,464.37
  4. Step 4: Simplify right side
    1,691,833.76x = 2,142,032,586,107.25
  5. Step 5: Solve for x
    x = 2,142,032,586,107.25/1,691,833.76
  6. Step 6: Final answer
    x = 1,266,101.10

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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.