Home / 1,906,872.60-2,860,300.26-645,570.84

Finding the Fourth Proportional to 1,906,872.60, 2,860,300.26 and 645,570.84

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Solution

The fourth proportional to 1,906,872.60, 2,860,300.26 and 645,570.84 is: 968,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,872.60 : 2,860,300.26 = 645,570.84 : x
  2. Step 2: Convert to fraction form
    1,906,872.60/2,860,300.26 = 645,570.84/x
  3. Step 3: Cross multiply
    1,906,872.60x = 2,860,300.26 × 645,570.84
  4. Step 4: Simplify right side
    1,906,872.60x = 1,846,526,441,500.42
  5. Step 5: Solve for x
    x = 1,846,526,441,500.42/1,906,872.60
  6. Step 6: Final answer
    x = 968,353.33

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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.