Home / 1,769,591.20-2,441,930.64-1,005,538.72

Finding the Fourth Proportional to 1,769,591.20, 2,441,930.64 and 1,005,538.72

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Solution

The fourth proportional to 1,769,591.20, 2,441,930.64 and 1,005,538.72 is: 1,387,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,591.20 : 2,441,930.64 = 1,005,538.72 : x
  2. Step 2: Convert to fraction form
    1,769,591.20/2,441,930.64 = 1,005,538.72/x
  3. Step 3: Cross multiply
    1,769,591.20x = 2,441,930.64 × 1,005,538.72
  4. Step 4: Simplify right side
    1,769,591.20x = 2,455,455,810,074.38
  5. Step 5: Solve for x
    x = 2,455,455,810,074.38/1,769,591.20
  6. Step 6: Final answer
    x = 1,387,583.65

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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.