Home / 1,318,552.22-1,977,174.04-419,876.87

Finding the Fourth Proportional to 1,318,552.22, 1,977,174.04 and 419,876.87

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Solution

The fourth proportional to 1,318,552.22, 1,977,174.04 and 419,876.87 is: 629,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,552.22 : 1,977,174.04 = 419,876.87 : x
  2. Step 2: Convert to fraction form
    1,318,552.22/1,977,174.04 = 419,876.87/x
  3. Step 3: Cross multiply
    1,318,552.22x = 1,977,174.04 × 419,876.87
  4. Step 4: Simplify right side
    1,318,552.22x = 830,169,645,261.07
  5. Step 5: Solve for x
    x = 830,169,645,261.07/1,318,552.22
  6. Step 6: Final answer
    x = 629,606.95

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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.