Home / 776,385.64-1,164,592.86-243,896.68

Finding the Fourth Proportional to 776,385.64, 1,164,592.86 and 243,896.68

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Solution

The fourth proportional to 776,385.64, 1,164,592.86 and 243,896.68 is: 365,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,385.64 : 1,164,592.86 = 243,896.68 : x
  2. Step 2: Convert to fraction form
    776,385.64/1,164,592.86 = 243,896.68/x
  3. Step 3: Cross multiply
    776,385.64x = 1,164,592.86 × 243,896.68
  4. Step 4: Simplify right side
    776,385.64x = 284,040,332,105.71
  5. Step 5: Solve for x
    x = 284,040,332,105.71/776,385.64
  6. Step 6: Final answer
    x = 365,849.54

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Double scale
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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.