Home / 986,358.72-1,361,183.76-533,658.72

Finding the Fourth Proportional to 986,358.72, 1,361,183.76 and 533,658.72

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Solution

The fourth proportional to 986,358.72, 1,361,183.76 and 533,658.72 is: 736,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,358.72 : 1,361,183.76 = 533,658.72 : x
  2. Step 2: Convert to fraction form
    986,358.72/1,361,183.76 = 533,658.72/x
  3. Step 3: Cross multiply
    986,358.72x = 1,361,183.76 × 533,658.72
  4. Step 4: Simplify right side
    986,358.72x = 726,407,583,046.39
  5. Step 5: Solve for x
    x = 726,407,583,046.39/986,358.72
  6. Step 6: Final answer
    x = 736,453.75

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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.