Home / 1,640,295.06-2,263,607.22-961,231.56

Finding the Fourth Proportional to 1,640,295.06, 2,263,607.22 and 961,231.56

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Solution

The fourth proportional to 1,640,295.06, 2,263,607.22 and 961,231.56 is: 1,326,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,295.06 : 2,263,607.22 = 961,231.56 : x
  2. Step 2: Convert to fraction form
    1,640,295.06/2,263,607.22 = 961,231.56/x
  3. Step 3: Cross multiply
    1,640,295.06x = 2,263,607.22 × 961,231.56
  4. Step 4: Simplify right side
    1,640,295.06x = 2,175,850,699,307.86
  5. Step 5: Solve for x
    x = 2,175,850,699,307.86/1,640,295.06
  6. Step 6: Final answer
    x = 1,326,499.57

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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.