Home / 1,081,973.88-1,621,906.17-451,068.12

Finding the Fourth Proportional to 1,081,973.88, 1,621,906.17 and 451,068.12

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Solution

The fourth proportional to 1,081,973.88, 1,621,906.17 and 451,068.12 is: 676,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,973.88 : 1,621,906.17 = 451,068.12 : x
  2. Step 2: Convert to fraction form
    1,081,973.88/1,621,906.17 = 451,068.12/x
  3. Step 3: Cross multiply
    1,081,973.88x = 1,621,906.17 × 451,068.12
  4. Step 4: Simplify right side
    1,081,973.88x = 731,590,166,918.30
  5. Step 5: Solve for x
    x = 731,590,166,918.30/1,081,973.88
  6. Step 6: Final answer
    x = 676,162.50

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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.