Home / 1,381,086.32-1,905,994.89-837,245.03

Finding the Fourth Proportional to 1,381,086.32, 1,905,994.89 and 837,245.03

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Solution

The fourth proportional to 1,381,086.32, 1,905,994.89 and 837,245.03 is: 1,155,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,086.32 : 1,905,994.89 = 837,245.03 : x
  2. Step 2: Convert to fraction form
    1,381,086.32/1,905,994.89 = 837,245.03/x
  3. Step 3: Cross multiply
    1,381,086.32x = 1,905,994.89 × 837,245.03
  4. Step 4: Simplify right side
    1,381,086.32x = 1,595,784,739,327.92
  5. Step 5: Solve for x
    x = 1,595,784,739,327.92/1,381,086.32
  6. Step 6: Final answer
    x = 1,155,456.20

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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.