Home / 448,972.72-619,586.04-245,025.28

Finding the Fourth Proportional to 448,972.72, 619,586.04 and 245,025.28

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Solution

The fourth proportional to 448,972.72, 619,586.04 and 245,025.28 is: 338,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,972.72 : 619,586.04 = 245,025.28 : x
  2. Step 2: Convert to fraction form
    448,972.72/619,586.04 = 245,025.28/x
  3. Step 3: Cross multiply
    448,972.72x = 619,586.04 × 245,025.28
  4. Step 4: Simplify right side
    448,972.72x = 151,814,242,935.09
  5. Step 5: Solve for x
    x = 151,814,242,935.09/448,972.72
  6. Step 6: Final answer
    x = 338,136.90

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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.