Home / 1,871,141.76-2,804,326.38-911,826.36

Finding the Fourth Proportional to 1,871,141.76, 2,804,326.38 and 911,826.36

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Solution

The fourth proportional to 1,871,141.76, 2,804,326.38 and 911,826.36 is: 1,366,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,141.76 : 2,804,326.38 = 911,826.36 : x
  2. Step 2: Convert to fraction form
    1,871,141.76/2,804,326.38 = 911,826.36/x
  3. Step 3: Cross multiply
    1,871,141.76x = 2,804,326.38 × 911,826.36
  4. Step 4: Simplify right side
    1,871,141.76x = 2,557,058,715,327.38
  5. Step 5: Solve for x
    x = 2,557,058,715,327.38/1,871,141.76
  6. Step 6: Final answer
    x = 1,366,576.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.