Home / 691,177.51-1,036,610.74-247,945.51

Finding the Fourth Proportional to 691,177.51, 1,036,610.74 and 247,945.51

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Solution

The fourth proportional to 691,177.51, 1,036,610.74 and 247,945.51 is: 371,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,177.51 : 1,036,610.74 = 247,945.51 : x
  2. Step 2: Convert to fraction form
    691,177.51/1,036,610.74 = 247,945.51/x
  3. Step 3: Cross multiply
    691,177.51x = 1,036,610.74 × 247,945.51
  4. Step 4: Simplify right side
    691,177.51x = 257,022,978,600.78
  5. Step 5: Solve for x
    x = 257,022,978,600.78/691,177.51
  6. Step 6: Final answer
    x = 371,862.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.