Home / 769,850.88-1,154,702.08-237,228.90

Finding the Fourth Proportional to 769,850.88, 1,154,702.08 and 237,228.90

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Solution

The fourth proportional to 769,850.88, 1,154,702.08 and 237,228.90 is: 355,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,850.88 : 1,154,702.08 = 237,228.90 : x
  2. Step 2: Convert to fraction form
    769,850.88/1,154,702.08 = 237,228.90/x
  3. Step 3: Cross multiply
    769,850.88x = 1,154,702.08 × 237,228.90
  4. Step 4: Simplify right side
    769,850.88x = 273,928,704,266.11
  5. Step 5: Solve for x
    x = 273,928,704,266.11/769,850.88
  6. Step 6: Final answer
    x = 355,820.47

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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.