Home / 454,610.34-681,915.42-122,186.34

Finding the Fourth Proportional to 454,610.34, 681,915.42 and 122,186.34

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Solution

The fourth proportional to 454,610.34, 681,915.42 and 122,186.34 is: 183,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,610.34 : 681,915.42 = 122,186.34 : x
  2. Step 2: Convert to fraction form
    454,610.34/681,915.42 = 122,186.34/x
  3. Step 3: Cross multiply
    454,610.34x = 681,915.42 × 122,186.34
  4. Step 4: Simplify right side
    454,610.34x = 83,320,749,359.36
  5. Step 5: Solve for x
    x = 83,320,749,359.36/454,610.34
  6. Step 6: Final answer
    x = 183,279.49

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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.