Home / 809,563.38-1,117,214.88-447,010.16

Finding the Fourth Proportional to 809,563.38, 1,117,214.88 and 447,010.16

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Solution

The fourth proportional to 809,563.38, 1,117,214.88 and 447,010.16 is: 616,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,563.38 : 1,117,214.88 = 447,010.16 : x
  2. Step 2: Convert to fraction form
    809,563.38/1,117,214.88 = 447,010.16/x
  3. Step 3: Cross multiply
    809,563.38x = 1,117,214.88 × 447,010.16
  4. Step 4: Simplify right side
    809,563.38x = 499,406,396,677.11
  5. Step 5: Solve for x
    x = 499,406,396,677.11/809,563.38
  6. Step 6: Final answer
    x = 616,883.63

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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.