Home / 749,481.39-1,033,993.80-477,500.58

Finding the Fourth Proportional to 749,481.39, 1,033,993.80 and 477,500.58

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Solution

The fourth proportional to 749,481.39, 1,033,993.80 and 477,500.58 is: 658,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,481.39 : 1,033,993.80 = 477,500.58 : x
  2. Step 2: Convert to fraction form
    749,481.39/1,033,993.80 = 477,500.58/x
  3. Step 3: Cross multiply
    749,481.39x = 1,033,993.80 × 477,500.58
  4. Step 4: Simplify right side
    749,481.39x = 493,732,639,216.40
  5. Step 5: Solve for x
    x = 493,732,639,216.40/749,481.39
  6. Step 6: Final answer
    x = 658,765.71

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Double scale
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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.