Home / 1,175,694.12-1,622,584.76-666,341.82

Finding the Fourth Proportional to 1,175,694.12, 1,622,584.76 and 666,341.82

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Solution

The fourth proportional to 1,175,694.12, 1,622,584.76 and 666,341.82 is: 919,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,694.12 : 1,622,584.76 = 666,341.82 : x
  2. Step 2: Convert to fraction form
    1,175,694.12/1,622,584.76 = 666,341.82/x
  3. Step 3: Cross multiply
    1,175,694.12x = 1,622,584.76 × 666,341.82
  4. Step 4: Simplify right side
    1,175,694.12x = 1,081,196,078,750.95
  5. Step 5: Solve for x
    x = 1,081,196,078,750.95/1,175,694.12
  6. Step 6: Final answer
    x = 919,623.62

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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.