Home / 448,987.88-619,583.90-245,033.66

Finding the Fourth Proportional to 448,987.88, 619,583.90 and 245,033.66

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Solution

The fourth proportional to 448,987.88, 619,583.90 and 245,033.66 is: 338,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,987.88 : 619,583.90 = 245,033.66 : x
  2. Step 2: Convert to fraction form
    448,987.88/619,583.90 = 245,033.66/x
  3. Step 3: Cross multiply
    448,987.88x = 619,583.90 × 245,033.66
  4. Step 4: Simplify right side
    448,987.88x = 151,818,910,694.07
  5. Step 5: Solve for x
    x = 151,818,910,694.07/448,987.88
  6. Step 6: Final answer
    x = 338,135.88

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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.