Home / 1,639,394.31-2,262,261.73-904,357.08

Finding the Fourth Proportional to 1,639,394.31, 2,262,261.73 and 904,357.08

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Solution

The fourth proportional to 1,639,394.31, 2,262,261.73 and 904,357.08 is: 1,247,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,394.31 : 2,262,261.73 = 904,357.08 : x
  2. Step 2: Convert to fraction form
    1,639,394.31/2,262,261.73 = 904,357.08/x
  3. Step 3: Cross multiply
    1,639,394.31x = 2,262,261.73 × 904,357.08
  4. Step 4: Simplify right side
    1,639,394.31x = 2,045,892,412,338.55
  5. Step 5: Solve for x
    x = 2,045,892,412,338.55/1,639,394.31
  6. Step 6: Final answer
    x = 1,247,956.27

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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.