Home / 792,137.10-1,188,205.65-605,513.10

Finding the Fourth Proportional to 792,137.10, 1,188,205.65 and 605,513.10

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Solution

The fourth proportional to 792,137.10, 1,188,205.65 and 605,513.10 is: 908,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,137.10 : 1,188,205.65 = 605,513.10 : x
  2. Step 2: Convert to fraction form
    792,137.10/1,188,205.65 = 605,513.10/x
  3. Step 3: Cross multiply
    792,137.10x = 1,188,205.65 × 605,513.10
  4. Step 4: Simplify right side
    792,137.10x = 719,474,086,569.02
  5. Step 5: Solve for x
    x = 719,474,086,569.02/792,137.10
  6. Step 6: Final answer
    x = 908,269.65

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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.