Home / 638,282.20-957,423.30-579,233.20

Finding the Fourth Proportional to 638,282.20, 957,423.30 and 579,233.20

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Solution

The fourth proportional to 638,282.20, 957,423.30 and 579,233.20 is: 868,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,282.20 : 957,423.30 = 579,233.20 : x
  2. Step 2: Convert to fraction form
    638,282.20/957,423.30 = 579,233.20/x
  3. Step 3: Cross multiply
    638,282.20x = 957,423.30 × 579,233.20
  4. Step 4: Simplify right side
    638,282.20x = 554,571,361,813.56
  5. Step 5: Solve for x
    x = 554,571,361,813.56/638,282.20
  6. Step 6: Final answer
    x = 868,849.80

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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.