Home / 1,381,079.66-1,905,985.72-837,238.37

Finding the Fourth Proportional to 1,381,079.66, 1,905,985.72 and 837,238.37

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Solution

The fourth proportional to 1,381,079.66, 1,905,985.72 and 837,238.37 is: 1,155,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,079.66 : 1,905,985.72 = 837,238.37 : x
  2. Step 2: Convert to fraction form
    1,381,079.66/1,905,985.72 = 837,238.37/x
  3. Step 3: Cross multiply
    1,381,079.66x = 1,905,985.72 × 837,238.37
  4. Step 4: Simplify right side
    1,381,079.66x = 1,595,764,377,456.08
  5. Step 5: Solve for x
    x = 1,595,764,377,456.08/1,381,079.66
  6. Step 6: Final answer
    x = 1,155,447.02

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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.