Home / 1,663,980.85-2,496,912.40-905,874.76

Finding the Fourth Proportional to 1,663,980.85, 2,496,912.40 and 905,874.76

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Solution

The fourth proportional to 1,663,980.85, 2,496,912.40 and 905,874.76 is: 1,359,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,980.85 : 2,496,912.40 = 905,874.76 : x
  2. Step 2: Convert to fraction form
    1,663,980.85/2,496,912.40 = 905,874.76/x
  3. Step 3: Cross multiply
    1,663,980.85x = 2,496,912.40 × 905,874.76
  4. Step 4: Simplify right side
    1,663,980.85x = 2,261,889,934,914.85
  5. Step 5: Solve for x
    x = 2,261,889,934,914.85/1,663,980.85
  6. Step 6: Final answer
    x = 1,359,324.50

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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.