Home / 489,024.20-733,536.30-459,499.70

Finding the Fourth Proportional to 489,024.20, 733,536.30 and 459,499.70

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Solution

The fourth proportional to 489,024.20, 733,536.30 and 459,499.70 is: 689,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,024.20 : 733,536.30 = 459,499.70 : x
  2. Step 2: Convert to fraction form
    489,024.20/733,536.30 = 459,499.70/x
  3. Step 3: Cross multiply
    489,024.20x = 733,536.30 × 459,499.70
  4. Step 4: Simplify right side
    489,024.20x = 337,059,709,789.11
  5. Step 5: Solve for x
    x = 337,059,709,789.11/489,024.20
  6. Step 6: Final answer
    x = 689,249.55

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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.