Home / 1,539,028.80-2,123,793.36-850,664.88

Finding the Fourth Proportional to 1,539,028.80, 2,123,793.36 and 850,664.88

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Solution

The fourth proportional to 1,539,028.80, 2,123,793.36 and 850,664.88 is: 1,173,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,028.80 : 2,123,793.36 = 850,664.88 : x
  2. Step 2: Convert to fraction form
    1,539,028.80/2,123,793.36 = 850,664.88/x
  3. Step 3: Cross multiply
    1,539,028.80x = 2,123,793.36 × 850,664.88
  4. Step 4: Simplify right side
    1,539,028.80x = 1,806,636,423,729.20
  5. Step 5: Solve for x
    x = 1,806,636,423,729.20/1,539,028.80
  6. Step 6: Final answer
    x = 1,173,880.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.