Home / 1,938,254.40-2,907,511.20-658,843.20

Finding the Fourth Proportional to 1,938,254.40, 2,907,511.20 and 658,843.20

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Solution

The fourth proportional to 1,938,254.40, 2,907,511.20 and 658,843.20 is: 988,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,254.40 : 2,907,511.20 = 658,843.20 : x
  2. Step 2: Convert to fraction form
    1,938,254.40/2,907,511.20 = 658,843.20/x
  3. Step 3: Cross multiply
    1,938,254.40x = 2,907,511.20 × 658,843.20
  4. Step 4: Simplify right side
    1,938,254.40x = 1,915,593,983,043.84
  5. Step 5: Solve for x
    x = 1,915,593,983,043.84/1,938,254.40
  6. Step 6: Final answer
    x = 988,308.85

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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.