Home / 1,191,800.35-1,644,716.19-647,972.83

Finding the Fourth Proportional to 1,191,800.35, 1,644,716.19 and 647,972.83

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Solution

The fourth proportional to 1,191,800.35, 1,644,716.19 and 647,972.83 is: 894,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,800.35 : 1,644,716.19 = 647,972.83 : x
  2. Step 2: Convert to fraction form
    1,191,800.35/1,644,716.19 = 647,972.83/x
  3. Step 3: Cross multiply
    1,191,800.35x = 1,644,716.19 × 647,972.83
  4. Step 4: Simplify right side
    1,191,800.35x = 1,065,731,404,181.12
  5. Step 5: Solve for x
    x = 1,065,731,404,181.12/1,191,800.35
  6. Step 6: Final answer
    x = 894,219.74

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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.