Home / 1,861,129.20-2,792,212.20-914,530.80

Finding the Fourth Proportional to 1,861,129.20, 2,792,212.20 and 914,530.80

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Solution

The fourth proportional to 1,861,129.20, 2,792,212.20 and 914,530.80 is: 1,372,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,129.20 : 2,792,212.20 = 914,530.80 : x
  2. Step 2: Convert to fraction form
    1,861,129.20/2,792,212.20 = 914,530.80/x
  3. Step 3: Cross multiply
    1,861,129.20x = 2,792,212.20 × 914,530.80
  4. Step 4: Simplify right side
    1,861,129.20x = 2,553,564,057,035.76
  5. Step 5: Solve for x
    x = 2,553,564,057,035.76/1,861,129.20
  6. Step 6: Final answer
    x = 1,372,050.93

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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.