Home / 579,761.40-868,475.70-330,151.80

Finding the Fourth Proportional to 579,761.40, 868,475.70 and 330,151.80

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Solution

The fourth proportional to 579,761.40, 868,475.70 and 330,151.80 is: 494,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,761.40 : 868,475.70 = 330,151.80 : x
  2. Step 2: Convert to fraction form
    579,761.40/868,475.70 = 330,151.80/x
  3. Step 3: Cross multiply
    579,761.40x = 868,475.70 × 330,151.80
  4. Step 4: Simplify right side
    579,761.40x = 286,728,815,611.26
  5. Step 5: Solve for x
    x = 286,728,815,611.26/579,761.40
  6. Step 6: Final answer
    x = 494,563.48

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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.