Home / 1,964,576-2,947,220.94-811,825.35

Finding the Fourth Proportional to 1,964,576, 2,947,220.94 and 811,825.35

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Solution

The fourth proportional to 1,964,576, 2,947,220.94 and 811,825.35 is: 1,217,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,576 : 2,947,220.94 = 811,825.35 : x
  2. Step 2: Convert to fraction form
    1,964,576/2,947,220.94 = 811,825.35/x
  3. Step 3: Cross multiply
    1,964,576x = 2,947,220.94 × 811,825.35
  4. Step 4: Simplify right side
    1,964,576x = 2,392,628,671,142.83
  5. Step 5: Solve for x
    x = 2,392,628,671,142.83/1,964,576
  6. Step 6: Final answer
    x = 1,217,885.52

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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.