Home / 807,894.28-1,114,958.28-445,382.56

Finding the Fourth Proportional to 807,894.28, 1,114,958.28 and 445,382.56

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Solution

The fourth proportional to 807,894.28, 1,114,958.28 and 445,382.56 is: 614,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,894.28 : 1,114,958.28 = 445,382.56 : x
  2. Step 2: Convert to fraction form
    807,894.28/1,114,958.28 = 445,382.56/x
  3. Step 3: Cross multiply
    807,894.28x = 1,114,958.28 × 445,382.56
  4. Step 4: Simplify right side
    807,894.28x = 496,582,973,039.60
  5. Step 5: Solve for x
    x = 496,582,973,039.60/807,894.28
  6. Step 6: Final answer
    x = 614,663.31

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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.