Home / 448,848.33-618,687.12-303,601.14

Finding the Fourth Proportional to 448,848.33, 618,687.12 and 303,601.14

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Solution

The fourth proportional to 448,848.33, 618,687.12 and 303,601.14 is: 418,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,848.33 : 618,687.12 = 303,601.14 : x
  2. Step 2: Convert to fraction form
    448,848.33/618,687.12 = 303,601.14/x
  3. Step 3: Cross multiply
    448,848.33x = 618,687.12 × 303,601.14
  4. Step 4: Simplify right side
    448,848.33x = 187,834,114,935.32
  5. Step 5: Solve for x
    x = 187,834,114,935.32/448,848.33
  6. Step 6: Final answer
    x = 418,480.15

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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.