Home / 1,419,005.52-1,957,969.78-838,323.20

Finding the Fourth Proportional to 1,419,005.52, 1,957,969.78 and 838,323.20

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Solution

The fourth proportional to 1,419,005.52, 1,957,969.78 and 838,323.20 is: 1,156,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,005.52 : 1,957,969.78 = 838,323.20 : x
  2. Step 2: Convert to fraction form
    1,419,005.52/1,957,969.78 = 838,323.20/x
  3. Step 3: Cross multiply
    1,419,005.52x = 1,957,969.78 × 838,323.20
  4. Step 4: Simplify right side
    1,419,005.52x = 1,641,411,479,587.24
  5. Step 5: Solve for x
    x = 1,641,411,479,587.24/1,419,005.52
  6. Step 6: Final answer
    x = 1,156,733.68

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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.