Home / 1,591,832.72-2,388,186.12-469,901.36

Finding the Fourth Proportional to 1,591,832.72, 2,388,186.12 and 469,901.36

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Solution

The fourth proportional to 1,591,832.72, 2,388,186.12 and 469,901.36 is: 704,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,832.72 : 2,388,186.12 = 469,901.36 : x
  2. Step 2: Convert to fraction form
    1,591,832.72/2,388,186.12 = 469,901.36/x
  3. Step 3: Cross multiply
    1,591,832.72x = 2,388,186.12 × 469,901.36
  4. Step 4: Simplify right side
    1,591,832.72x = 1,122,211,905,721.12
  5. Step 5: Solve for x
    x = 1,122,211,905,721.12/1,591,832.72
  6. Step 6: Final answer
    x = 704,981.05

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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.