Home / 1,410,375.11-1,946,263.05-765,780.53

Finding the Fourth Proportional to 1,410,375.11, 1,946,263.05 and 765,780.53

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Solution

The fourth proportional to 1,410,375.11, 1,946,263.05 and 765,780.53 is: 1,056,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,375.11 : 1,946,263.05 = 765,780.53 : x
  2. Step 2: Convert to fraction form
    1,410,375.11/1,946,263.05 = 765,780.53/x
  3. Step 3: Cross multiply
    1,410,375.11x = 1,946,263.05 × 765,780.53
  4. Step 4: Simplify right side
    1,410,375.11x = 1,490,410,340,217.10
  5. Step 5: Solve for x
    x = 1,490,410,340,217.10/1,410,375.11
  6. Step 6: Final answer
    x = 1,056,747.48

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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.