Home / 1,877,232.97-2,814,179.45-678,888.87

Finding the Fourth Proportional to 1,877,232.97, 2,814,179.45 and 678,888.87

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Solution

The fourth proportional to 1,877,232.97, 2,814,179.45 and 678,888.87 is: 1,017,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,232.97 : 2,814,179.45 = 678,888.87 : x
  2. Step 2: Convert to fraction form
    1,877,232.97/2,814,179.45 = 678,888.87/x
  3. Step 3: Cross multiply
    1,877,232.97x = 2,814,179.45 × 678,888.87
  4. Step 4: Simplify right side
    1,877,232.97x = 1,910,515,106,787.72
  5. Step 5: Solve for x
    x = 1,910,515,106,787.72/1,877,232.97
  6. Step 6: Final answer
    x = 1,017,729.36

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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.