Home / 1,182,554.37-1,631,817.81-666,392.27

Finding the Fourth Proportional to 1,182,554.37, 1,631,817.81 and 666,392.27

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Solution

The fourth proportional to 1,182,554.37, 1,631,817.81 and 666,392.27 is: 919,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,554.37 : 1,631,817.81 = 666,392.27 : x
  2. Step 2: Convert to fraction form
    1,182,554.37/1,631,817.81 = 666,392.27/x
  3. Step 3: Cross multiply
    1,182,554.37x = 1,631,817.81 × 666,392.27
  4. Step 4: Simplify right side
    1,182,554.37x = 1,087,430,766,473.24
  5. Step 5: Solve for x
    x = 1,087,430,766,473.24/1,182,554.37
  6. Step 6: Final answer
    x = 919,560.90

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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.