Home / 1,611,243.20-2,223,464.72-886,088.68

Finding the Fourth Proportional to 1,611,243.20, 2,223,464.72 and 886,088.68

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Solution

The fourth proportional to 1,611,243.20, 2,223,464.72 and 886,088.68 is: 1,222,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,243.20 : 2,223,464.72 = 886,088.68 : x
  2. Step 2: Convert to fraction form
    1,611,243.20/2,223,464.72 = 886,088.68/x
  3. Step 3: Cross multiply
    1,611,243.20x = 2,223,464.72 × 886,088.68
  4. Step 4: Simplify right side
    1,611,243.20x = 1,970,186,918,771.37
  5. Step 5: Solve for x
    x = 1,970,186,918,771.37/1,611,243.20
  6. Step 6: Final answer
    x = 1,222,774.39

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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.