Home / 1,149,647.40-1,586,513.79-666,492.66

Finding the Fourth Proportional to 1,149,647.40, 1,586,513.79 and 666,492.66

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Solution

The fourth proportional to 1,149,647.40, 1,586,513.79 and 666,492.66 is: 919,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,647.40 : 1,586,513.79 = 666,492.66 : x
  2. Step 2: Convert to fraction form
    1,149,647.40/1,586,513.79 = 666,492.66/x
  3. Step 3: Cross multiply
    1,149,647.40x = 1,586,513.79 × 666,492.66
  4. Step 4: Simplify right side
    1,149,647.40x = 1,057,399,796,023.78
  5. Step 5: Solve for x
    x = 1,057,399,796,023.78/1,149,647.40
  6. Step 6: Final answer
    x = 919,760.09

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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.