Home / 448,951.45-619,566.06-245,015.49

Finding the Fourth Proportional to 448,951.45, 619,566.06 and 245,015.49

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Solution

The fourth proportional to 448,951.45, 619,566.06 and 245,015.49 is: 338,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,951.45 : 619,566.06 = 245,015.49 : x
  2. Step 2: Convert to fraction form
    448,951.45/619,566.06 = 245,015.49/x
  3. Step 3: Cross multiply
    448,951.45x = 619,566.06 × 245,015.49
  4. Step 4: Simplify right side
    448,951.45x = 151,803,278,067.90
  5. Step 5: Solve for x
    x = 151,803,278,067.90/448,951.45
  6. Step 6: Final answer
    x = 338,128.50

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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.