Home / 1,417,645.88-2,126,178.84-406,496.96

Finding the Fourth Proportional to 1,417,645.88, 2,126,178.84 and 406,496.96

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Solution

The fourth proportional to 1,417,645.88, 2,126,178.84 and 406,496.96 is: 609,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,645.88 : 2,126,178.84 = 406,496.96 : x
  2. Step 2: Convert to fraction form
    1,417,645.88/2,126,178.84 = 406,496.96/x
  3. Step 3: Cross multiply
    1,417,645.88x = 2,126,178.84 × 406,496.96
  4. Step 4: Simplify right side
    1,417,645.88x = 864,285,234,876.33
  5. Step 5: Solve for x
    x = 864,285,234,876.33/1,417,645.88
  6. Step 6: Final answer
    x = 609,662.29

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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.