Home / 927,449.44-1,279,857.16-519,548.58

Finding the Fourth Proportional to 927,449.44, 1,279,857.16 and 519,548.58

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Solution

The fourth proportional to 927,449.44, 1,279,857.16 and 519,548.58 is: 716,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,449.44 : 1,279,857.16 = 519,548.58 : x
  2. Step 2: Convert to fraction form
    927,449.44/1,279,857.16 = 519,548.58/x
  3. Step 3: Cross multiply
    927,449.44x = 1,279,857.16 × 519,548.58
  4. Step 4: Simplify right side
    927,449.44x = 664,947,967,807.81
  5. Step 5: Solve for x
    x = 664,947,967,807.81/927,449.44
  6. Step 6: Final answer
    x = 716,964.11

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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.