Home / 1,051,940.66-1,451,919.53-644,267.12

Finding the Fourth Proportional to 1,051,940.66, 1,451,919.53 and 644,267.12

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Solution

The fourth proportional to 1,051,940.66, 1,451,919.53 and 644,267.12 is: 889,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,940.66 : 1,451,919.53 = 644,267.12 : x
  2. Step 2: Convert to fraction form
    1,051,940.66/1,451,919.53 = 644,267.12/x
  3. Step 3: Cross multiply
    1,051,940.66x = 1,451,919.53 × 644,267.12
  4. Step 4: Simplify right side
    1,051,940.66x = 935,424,008,415.92
  5. Step 5: Solve for x
    x = 935,424,008,415.92/1,051,940.66
  6. Step 6: Final answer
    x = 889,236.48

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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.