Home / 1,167,764.56-1,611,514.38-631,220.56

Finding the Fourth Proportional to 1,167,764.56, 1,611,514.38 and 631,220.56

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Solution

The fourth proportional to 1,167,764.56, 1,611,514.38 and 631,220.56 is: 871,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,764.56 : 1,611,514.38 = 631,220.56 : x
  2. Step 2: Convert to fraction form
    1,167,764.56/1,611,514.38 = 631,220.56/x
  3. Step 3: Cross multiply
    1,167,764.56x = 1,611,514.38 × 631,220.56
  4. Step 4: Simplify right side
    1,167,764.56x = 1,017,221,009,391.65
  5. Step 5: Solve for x
    x = 1,017,221,009,391.65/1,167,764.56
  6. Step 6: Final answer
    x = 871,083.99

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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.