Home / 579,904.50-868,968.78-242,761.44

Finding the Fourth Proportional to 579,904.50, 868,968.78 and 242,761.44

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Solution

The fourth proportional to 579,904.50, 868,968.78 and 242,761.44 is: 363,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,904.50 : 868,968.78 = 242,761.44 : x
  2. Step 2: Convert to fraction form
    579,904.50/868,968.78 = 242,761.44/x
  3. Step 3: Cross multiply
    579,904.50x = 868,968.78 × 242,761.44
  4. Step 4: Simplify right side
    579,904.50x = 210,952,112,347.84
  5. Step 5: Solve for x
    x = 210,952,112,347.84/579,904.50
  6. Step 6: Final answer
    x = 363,770.44

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1.5x scale

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.