Home / 448,964.55-619,584.20-245,028.57

Finding the Fourth Proportional to 448,964.55, 619,584.20 and 245,028.57

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Solution

The fourth proportional to 448,964.55, 619,584.20 and 245,028.57 is: 338,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,964.55 : 619,584.20 = 245,028.57 : x
  2. Step 2: Convert to fraction form
    448,964.55/619,584.20 = 245,028.57/x
  3. Step 3: Cross multiply
    448,964.55x = 619,584.20 × 245,028.57
  4. Step 4: Simplify right side
    448,964.55x = 151,815,829,295.45
  5. Step 5: Solve for x
    x = 151,815,829,295.45/448,964.55
  6. Step 6: Final answer
    x = 338,146.58

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1.5x scale

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.