Home / 1,177,438.50-1,766,200.68-419,335.74

Finding the Fourth Proportional to 1,177,438.50, 1,766,200.68 and 419,335.74

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Solution

The fourth proportional to 1,177,438.50, 1,766,200.68 and 419,335.74 is: 629,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,438.50 : 1,766,200.68 = 419,335.74 : x
  2. Step 2: Convert to fraction form
    1,177,438.50/1,766,200.68 = 419,335.74/x
  3. Step 3: Cross multiply
    1,177,438.50x = 1,766,200.68 × 419,335.74
  4. Step 4: Simplify right side
    1,177,438.50x = 740,631,069,136.30
  5. Step 5: Solve for x
    x = 740,631,069,136.30/1,177,438.50
  6. Step 6: Final answer
    x = 629,018.90

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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.