Home / 1,175,695.12-1,622,586.14-666,342.82

Finding the Fourth Proportional to 1,175,695.12, 1,622,586.14 and 666,342.82

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Solution

The fourth proportional to 1,175,695.12, 1,622,586.14 and 666,342.82 is: 919,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,695.12 : 1,622,586.14 = 666,342.82 : x
  2. Step 2: Convert to fraction form
    1,175,695.12/1,622,586.14 = 666,342.82/x
  3. Step 3: Cross multiply
    1,175,695.12x = 1,622,586.14 × 666,342.82
  4. Step 4: Simplify right side
    1,175,695.12x = 1,081,198,624,220.51
  5. Step 5: Solve for x
    x = 1,081,198,624,220.51/1,175,695.12
  6. Step 6: Final answer
    x = 919,625.00

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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.