Home / 554,872.20-831,822.30-376,801.80

Finding the Fourth Proportional to 554,872.20, 831,822.30 and 376,801.80

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Solution

The fourth proportional to 554,872.20, 831,822.30 and 376,801.80 is: 564,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,872.20 : 831,822.30 = 376,801.80 : x
  2. Step 2: Convert to fraction form
    554,872.20/831,822.30 = 376,801.80/x
  3. Step 3: Cross multiply
    554,872.20x = 831,822.30 × 376,801.80
  4. Step 4: Simplify right side
    554,872.20x = 313,432,139,920.14
  5. Step 5: Solve for x
    x = 313,432,139,920.14/554,872.20
  6. Step 6: Final answer
    x = 564,872.67

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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.