Home / 778,819.05-1,168,228.58-441,729.45

Finding the Fourth Proportional to 778,819.05, 1,168,228.58 and 441,729.45

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Solution

The fourth proportional to 778,819.05, 1,168,228.58 and 441,729.45 is: 662,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,819.05 : 1,168,228.58 = 441,729.45 : x
  2. Step 2: Convert to fraction form
    778,819.05/1,168,228.58 = 441,729.45/x
  3. Step 3: Cross multiply
    778,819.05x = 1,168,228.58 × 441,729.45
  4. Step 4: Simplify right side
    778,819.05x = 516,040,965,909.03
  5. Step 5: Solve for x
    x = 516,040,965,909.03/778,819.05
  6. Step 6: Final answer
    x = 662,594.18

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Similar ratio
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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.