Home / 1,982,621.76-2,973,934.80-543,317.46

Finding the Fourth Proportional to 1,982,621.76, 2,973,934.80 and 543,317.46

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Solution

The fourth proportional to 1,982,621.76, 2,973,934.80 and 543,317.46 is: 814,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,621.76 : 2,973,934.80 = 543,317.46 : x
  2. Step 2: Convert to fraction form
    1,982,621.76/2,973,934.80 = 543,317.46/x
  3. Step 3: Cross multiply
    1,982,621.76x = 2,973,934.80 × 543,317.46
  4. Step 4: Simplify right side
    1,982,621.76x = 1,615,790,701,741.61
  5. Step 5: Solve for x
    x = 1,615,790,701,741.61/1,982,621.76
  6. Step 6: Final answer
    x = 814,976.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.