Home / 1,318,553.22-1,977,175.53-419,877.87

Finding the Fourth Proportional to 1,318,553.22, 1,977,175.53 and 419,877.87

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Solution

The fourth proportional to 1,318,553.22, 1,977,175.53 and 419,877.87 is: 629,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,553.22 : 1,977,175.53 = 419,877.87 : x
  2. Step 2: Convert to fraction form
    1,318,553.22/1,977,175.53 = 419,877.87/x
  3. Step 3: Cross multiply
    1,318,553.22x = 1,977,175.53 × 419,877.87
  4. Step 4: Simplify right side
    1,318,553.22x = 830,172,250,152.52
  5. Step 5: Solve for x
    x = 830,172,250,152.52/1,318,553.22
  6. Step 6: Final answer
    x = 629,608.45

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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.