Home / 579,780.60-868,634.10-496,836.60

Finding the Fourth Proportional to 579,780.60, 868,634.10 and 496,836.60

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Solution

The fourth proportional to 579,780.60, 868,634.10 and 496,836.60 is: 744,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,780.60 : 868,634.10 = 496,836.60 : x
  2. Step 2: Convert to fraction form
    579,780.60/868,634.10 = 496,836.60/x
  3. Step 3: Cross multiply
    579,780.60x = 868,634.10 × 496,836.60
  4. Step 4: Simplify right side
    579,780.60x = 431,569,212,888.06
  5. Step 5: Solve for x
    x = 431,569,212,888.06/579,780.60
  6. Step 6: Final answer
    x = 744,366.43

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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.