Home / 448,579.01-619,087.05-274,251.51

Finding the Fourth Proportional to 448,579.01, 619,087.05 and 274,251.51

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Solution

The fourth proportional to 448,579.01, 619,087.05 and 274,251.51 is: 378,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,579.01 : 619,087.05 = 274,251.51 : x
  2. Step 2: Convert to fraction form
    448,579.01/619,087.05 = 274,251.51/x
  3. Step 3: Cross multiply
    448,579.01x = 619,087.05 × 274,251.51
  4. Step 4: Simplify right side
    448,579.01x = 169,785,558,283.95
  5. Step 5: Solve for x
    x = 169,785,558,283.95/448,579.01
  6. Step 6: Final answer
    x = 378,496.44

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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.