Home / 809,241.20-1,116,586.12-465,010.62

Finding the Fourth Proportional to 809,241.20, 1,116,586.12 and 465,010.62

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Solution

The fourth proportional to 809,241.20, 1,116,586.12 and 465,010.62 is: 641,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,241.20 : 1,116,586.12 = 465,010.62 : x
  2. Step 2: Convert to fraction form
    809,241.20/1,116,586.12 = 465,010.62/x
  3. Step 3: Cross multiply
    809,241.20x = 1,116,586.12 × 465,010.62
  4. Step 4: Simplify right side
    809,241.20x = 519,224,403,944.59
  5. Step 5: Solve for x
    x = 519,224,403,944.59/809,241.20
  6. Step 6: Final answer
    x = 641,618.84

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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.