Home / 3,119,905.96-4,680,144.54-876,028.84

Finding the Fourth Proportional to 3,119,905.96, 4,680,144.54 and 876,028.84

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Solution

The fourth proportional to 3,119,905.96, 4,680,144.54 and 876,028.84 is: 1,314,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,905.96 : 4,680,144.54 = 876,028.84 : x
  2. Step 2: Convert to fraction form
    3,119,905.96/4,680,144.54 = 876,028.84/x
  3. Step 3: Cross multiply
    3,119,905.96x = 4,680,144.54 × 876,028.84
  4. Step 4: Simplify right side
    3,119,905.96x = 4,099,941,592,408.53
  5. Step 5: Solve for x
    x = 4,099,941,592,408.53/3,119,905.96
  6. Step 6: Final answer
    x = 1,314,123.45

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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.