Home / 891,046.92-1,229,643.42-483,148.02

Finding the Fourth Proportional to 891,046.92, 1,229,643.42 and 483,148.02

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Solution

The fourth proportional to 891,046.92, 1,229,643.42 and 483,148.02 is: 666,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,046.92 : 1,229,643.42 = 483,148.02 : x
  2. Step 2: Convert to fraction form
    891,046.92/1,229,643.42 = 483,148.02/x
  3. Step 3: Cross multiply
    891,046.92x = 1,229,643.42 × 483,148.02
  4. Step 4: Simplify right side
    891,046.92x = 594,099,783,679.03
  5. Step 5: Solve for x
    x = 594,099,783,679.03/891,046.92
  6. Step 6: Final answer
    x = 666,743.55

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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.