Home / 648,700.20-972,272.70-332,994.60

Finding the Fourth Proportional to 648,700.20, 972,272.70 and 332,994.60

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Solution

The fourth proportional to 648,700.20, 972,272.70 and 332,994.60 is: 499,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,700.20 : 972,272.70 = 332,994.60 : x
  2. Step 2: Convert to fraction form
    648,700.20/972,272.70 = 332,994.60/x
  3. Step 3: Cross multiply
    648,700.20x = 972,272.70 × 332,994.60
  4. Step 4: Simplify right side
    648,700.20x = 323,761,558,827.42
  5. Step 5: Solve for x
    x = 323,761,558,827.42/648,700.20
  6. Step 6: Final answer
    x = 499,092.74

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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.