Home / 448,981.58-619,609.03-255,384.29

Finding the Fourth Proportional to 448,981.58, 619,609.03 and 255,384.29

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Solution

The fourth proportional to 448,981.58, 619,609.03 and 255,384.29 is: 352,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,981.58 : 619,609.03 = 255,384.29 : x
  2. Step 2: Convert to fraction form
    448,981.58/619,609.03 = 255,384.29/x
  3. Step 3: Cross multiply
    448,981.58x = 619,609.03 × 255,384.29
  4. Step 4: Simplify right side
    448,981.58x = 158,238,413,114.70
  5. Step 5: Solve for x
    x = 158,238,413,114.70/448,981.58
  6. Step 6: Final answer
    x = 352,438.54

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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.