Home / 809,643.48-1,117,302.09-447,067.13

Finding the Fourth Proportional to 809,643.48, 1,117,302.09 and 447,067.13

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Solution

The fourth proportional to 809,643.48, 1,117,302.09 and 447,067.13 is: 616,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,643.48 : 1,117,302.09 = 447,067.13 : x
  2. Step 2: Convert to fraction form
    809,643.48/1,117,302.09 = 447,067.13/x
  3. Step 3: Cross multiply
    809,643.48x = 1,117,302.09 × 447,067.13
  4. Step 4: Simplify right side
    809,643.48x = 499,509,033,132.79
  5. Step 5: Solve for x
    x = 499,509,033,132.79/809,643.48
  6. Step 6: Final answer
    x = 616,949.37

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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.