Home / 579,612.20-869,418.30-367,035.80

Finding the Fourth Proportional to 579,612.20, 869,418.30 and 367,035.80

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Solution

The fourth proportional to 579,612.20, 869,418.30 and 367,035.80 is: 550,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,612.20 : 869,418.30 = 367,035.80 : x
  2. Step 2: Convert to fraction form
    579,612.20/869,418.30 = 367,035.80/x
  3. Step 3: Cross multiply
    579,612.20x = 869,418.30 × 367,035.80
  4. Step 4: Simplify right side
    579,612.20x = 319,107,641,275.14
  5. Step 5: Solve for x
    x = 319,107,641,275.14/579,612.20
  6. Step 6: Final answer
    x = 550,553.70

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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.