Home / 1,213,376.40-1,816,954.20-896,115.60

Finding the Fourth Proportional to 1,213,376.40, 1,816,954.20 and 896,115.60

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Solution

The fourth proportional to 1,213,376.40, 1,816,954.20 and 896,115.60 is: 1,341,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,376.40 : 1,816,954.20 = 896,115.60 : x
  2. Step 2: Convert to fraction form
    1,213,376.40/1,816,954.20 = 896,115.60/x
  3. Step 3: Cross multiply
    1,213,376.40x = 1,816,954.20 × 896,115.60
  4. Step 4: Simplify right side
    1,213,376.40x = 1,628,201,003,105.52
  5. Step 5: Solve for x
    x = 1,628,201,003,105.52/1,213,376.40
  6. Step 6: Final answer
    x = 1,341,876.27

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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.