Home / 766,804.83-1,150,440.85-362,307.65

Finding the Fourth Proportional to 766,804.83, 1,150,440.85 and 362,307.65

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Solution

The fourth proportional to 766,804.83, 1,150,440.85 and 362,307.65 is: 543,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,804.83 : 1,150,440.85 = 362,307.65 : x
  2. Step 2: Convert to fraction form
    766,804.83/1,150,440.85 = 362,307.65/x
  3. Step 3: Cross multiply
    766,804.83x = 1,150,440.85 × 362,307.65
  4. Step 4: Simplify right side
    766,804.83x = 416,813,520,827.50
  5. Step 5: Solve for x
    x = 416,813,520,827.50/766,804.83
  6. Step 6: Final answer
    x = 543,571.85

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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.