Home / 806,816.72-1,113,397.68-444,232.88

Finding the Fourth Proportional to 806,816.72, 1,113,397.68 and 444,232.88

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Solution

The fourth proportional to 806,816.72, 1,113,397.68 and 444,232.88 is: 613,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,816.72 : 1,113,397.68 = 444,232.88 : x
  2. Step 2: Convert to fraction form
    806,816.72/1,113,397.68 = 444,232.88/x
  3. Step 3: Cross multiply
    806,816.72x = 1,113,397.68 × 444,232.88
  4. Step 4: Simplify right side
    806,816.72x = 494,607,857,971.72
  5. Step 5: Solve for x
    x = 494,607,857,971.72/806,816.72
  6. Step 6: Final answer
    x = 613,036.20

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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.