Home / 763,110.52-1,144,690.38-383,824.27

Finding the Fourth Proportional to 763,110.52, 1,144,690.38 and 383,824.27

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Solution

The fourth proportional to 763,110.52, 1,144,690.38 and 383,824.27 is: 575,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,110.52 : 1,144,690.38 = 383,824.27 : x
  2. Step 2: Convert to fraction form
    763,110.52/1,144,690.38 = 383,824.27/x
  3. Step 3: Cross multiply
    763,110.52x = 1,144,690.38 × 383,824.27
  4. Step 4: Simplify right side
    763,110.52x = 439,359,950,910.39
  5. Step 5: Solve for x
    x = 439,359,950,910.39/763,110.52
  6. Step 6: Final answer
    x = 575,748.78

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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.