Home / 809,240.82-1,116,585.60-465,010.22

Finding the Fourth Proportional to 809,240.82, 1,116,585.60 and 465,010.22

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Solution

The fourth proportional to 809,240.82, 1,116,585.60 and 465,010.22 is: 641,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,240.82 : 1,116,585.60 = 465,010.22 : x
  2. Step 2: Convert to fraction form
    809,240.82/1,116,585.60 = 465,010.22/x
  3. Step 3: Cross multiply
    809,240.82x = 1,116,585.60 × 465,010.22
  4. Step 4: Simplify right side
    809,240.82x = 519,223,715,504.83
  5. Step 5: Solve for x
    x = 519,223,715,504.83/809,240.82
  6. Step 6: Final answer
    x = 641,618.30

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Double scale
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1.5x scale

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.