Home / 1,355,039.55-1,865,260.17-1,171,193.85

Finding the Fourth Proportional to 1,355,039.55, 1,865,260.17 and 1,171,193.85

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Solution

The fourth proportional to 1,355,039.55, 1,865,260.17 and 1,171,193.85 is: 1,612,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,039.55 : 1,865,260.17 = 1,171,193.85 : x
  2. Step 2: Convert to fraction form
    1,355,039.55/1,865,260.17 = 1,171,193.85/x
  3. Step 3: Cross multiply
    1,355,039.55x = 1,865,260.17 × 1,171,193.85
  4. Step 4: Simplify right side
    1,355,039.55x = 2,184,581,239,753.95
  5. Step 5: Solve for x
    x = 2,184,581,239,753.95/1,355,039.55
  6. Step 6: Final answer
    x = 1,612,190.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.