Home / 1,408,145.90-2,112,308-543,992.96

Finding the Fourth Proportional to 1,408,145.90, 2,112,308 and 543,992.96

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Solution

The fourth proportional to 1,408,145.90, 2,112,308 and 543,992.96 is: 816,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,145.90 : 2,112,308 = 543,992.96 : x
  2. Step 2: Convert to fraction form
    1,408,145.90/2,112,308 = 543,992.96/x
  3. Step 3: Cross multiply
    1,408,145.90x = 2,112,308 × 543,992.96
  4. Step 4: Simplify right side
    1,408,145.90x = 1,149,080,681,351.68
  5. Step 5: Solve for x
    x = 1,149,080,681,351.68/1,408,145.90
  6. Step 6: Final answer
    x = 816,023.88

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Double scale
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1.5x scale

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.