Home / 775,305.96-1,162,958.94-242,831.40

Finding the Fourth Proportional to 775,305.96, 1,162,958.94 and 242,831.40

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Solution

The fourth proportional to 775,305.96, 1,162,958.94 and 242,831.40 is: 364,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,305.96 : 1,162,958.94 = 242,831.40 : x
  2. Step 2: Convert to fraction form
    775,305.96/1,162,958.94 = 242,831.40/x
  3. Step 3: Cross multiply
    775,305.96x = 1,162,958.94 × 242,831.40
  4. Step 4: Simplify right side
    775,305.96x = 282,402,947,542.72
  5. Step 5: Solve for x
    x = 282,402,947,542.72/775,305.96
  6. Step 6: Final answer
    x = 364,247.10

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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.