Home / 1,533,618.69-2,116,486.22-845,289.60

Finding the Fourth Proportional to 1,533,618.69, 2,116,486.22 and 845,289.60

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Solution

The fourth proportional to 1,533,618.69, 2,116,486.22 and 845,289.60 is: 1,166,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,618.69 : 2,116,486.22 = 845,289.60 : x
  2. Step 2: Convert to fraction form
    1,533,618.69/2,116,486.22 = 845,289.60/x
  3. Step 3: Cross multiply
    1,533,618.69x = 2,116,486.22 × 845,289.60
  4. Step 4: Simplify right side
    1,533,618.69x = 1,789,043,790,309.31
  5. Step 5: Solve for x
    x = 1,789,043,790,309.31/1,533,618.69
  6. Step 6: Final answer
    x = 1,166,550.59

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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.