Home / 1,976,435.79-2,964,622.50-628,578.92

Finding the Fourth Proportional to 1,976,435.79, 2,964,622.50 and 628,578.92

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Solution

The fourth proportional to 1,976,435.79, 2,964,622.50 and 628,578.92 is: 942,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,435.79 : 2,964,622.50 = 628,578.92 : x
  2. Step 2: Convert to fraction form
    1,976,435.79/2,964,622.50 = 628,578.92/x
  3. Step 3: Cross multiply
    1,976,435.79x = 2,964,622.50 × 628,578.92
  4. Step 4: Simplify right side
    1,976,435.79x = 1,863,499,194,434.59
  5. Step 5: Solve for x
    x = 1,863,499,194,434.59/1,976,435.79
  6. Step 6: Final answer
    x = 942,858.45

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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.