Home / 448,838.01-619,305.68-285,559.36

Finding the Fourth Proportional to 448,838.01, 619,305.68 and 285,559.36

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Solution

The fourth proportional to 448,838.01, 619,305.68 and 285,559.36 is: 394,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,838.01 : 619,305.68 = 285,559.36 : x
  2. Step 2: Convert to fraction form
    448,838.01/619,305.68 = 285,559.36/x
  3. Step 3: Cross multiply
    448,838.01x = 619,305.68 × 285,559.36
  4. Step 4: Simplify right side
    448,838.01x = 176,848,532,790.80
  5. Step 5: Solve for x
    x = 176,848,532,790.80/448,838.01
  6. Step 6: Final answer
    x = 394,014.16

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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.