Home / 661,314.56-991,822.80-187,989.44

Finding the Fourth Proportional to 661,314.56, 991,822.80 and 187,989.44

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Solution

The fourth proportional to 661,314.56, 991,822.80 and 187,989.44 is: 281,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,314.56 : 991,822.80 = 187,989.44 : x
  2. Step 2: Convert to fraction form
    661,314.56/991,822.80 = 187,989.44/x
  3. Step 3: Cross multiply
    661,314.56x = 991,822.80 × 187,989.44
  4. Step 4: Simplify right side
    661,314.56x = 186,452,212,751.23
  5. Step 5: Solve for x
    x = 186,452,212,751.23/661,314.56
  6. Step 6: Final answer
    x = 281,941.79

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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.