Home / 648,116.20-971,882.70-248,624.20

Finding the Fourth Proportional to 648,116.20, 971,882.70 and 248,624.20

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Solution

The fourth proportional to 648,116.20, 971,882.70 and 248,624.20 is: 372,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,116.20 : 971,882.70 = 248,624.20 : x
  2. Step 2: Convert to fraction form
    648,116.20/971,882.70 = 248,624.20/x
  3. Step 3: Cross multiply
    648,116.20x = 971,882.70 × 248,624.20
  4. Step 4: Simplify right side
    648,116.20x = 241,633,558,781.34
  5. Step 5: Solve for x
    x = 241,633,558,781.34/648,116.20
  6. Step 6: Final answer
    x = 372,824.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.