Home / 1,394,141.88-1,925,142.62-871,747.77

Finding the Fourth Proportional to 1,394,141.88, 1,925,142.62 and 871,747.77

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Solution

The fourth proportional to 1,394,141.88, 1,925,142.62 and 871,747.77 is: 1,203,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,141.88 : 1,925,142.62 = 871,747.77 : x
  2. Step 2: Convert to fraction form
    1,394,141.88/1,925,142.62 = 871,747.77/x
  3. Step 3: Cross multiply
    1,394,141.88x = 1,925,142.62 × 871,747.77
  4. Step 4: Simplify right side
    1,394,141.88x = 1,678,238,785,916.96
  5. Step 5: Solve for x
    x = 1,678,238,785,916.96/1,394,141.88
  6. Step 6: Final answer
    x = 1,203,779.05

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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.