Home / 864,819.40-1,193,453.09-482,859.85

Finding the Fourth Proportional to 864,819.40, 1,193,453.09 and 482,859.85

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Solution

The fourth proportional to 864,819.40, 1,193,453.09 and 482,859.85 is: 666,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,819.40 : 1,193,453.09 = 482,859.85 : x
  2. Step 2: Convert to fraction form
    864,819.40/1,193,453.09 = 482,859.85/x
  3. Step 3: Cross multiply
    864,819.40x = 1,193,453.09 × 482,859.85
  4. Step 4: Simplify right side
    864,819.40x = 576,270,580,019.44
  5. Step 5: Solve for x
    x = 576,270,580,019.44/864,819.40
  6. Step 6: Final answer
    x = 666,347.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.