Home / 1,611,212.40-2,223,530.16-886,116.16

Finding the Fourth Proportional to 1,611,212.40, 2,223,530.16 and 886,116.16

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Solution

The fourth proportional to 1,611,212.40, 2,223,530.16 and 886,116.16 is: 1,222,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,212.40 : 2,223,530.16 = 886,116.16 : x
  2. Step 2: Convert to fraction form
    1,611,212.40/2,223,530.16 = 886,116.16/x
  3. Step 3: Cross multiply
    1,611,212.40x = 2,223,530.16 × 886,116.16
  4. Step 4: Simplify right side
    1,611,212.40x = 1,970,306,007,023.39
  5. Step 5: Solve for x
    x = 1,970,306,007,023.39/1,611,212.40
  6. Step 6: Final answer
    x = 1,222,871.68

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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.