Home / 769,559.32-1,154,338.98-208,593.82

Finding the Fourth Proportional to 769,559.32, 1,154,338.98 and 208,593.82

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Solution

The fourth proportional to 769,559.32, 1,154,338.98 and 208,593.82 is: 312,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559.32 : 1,154,338.98 = 208,593.82 : x
  2. Step 2: Convert to fraction form
    769,559.32/1,154,338.98 = 208,593.82/x
  3. Step 3: Cross multiply
    769,559.32x = 1,154,338.98 × 208,593.82
  4. Step 4: Simplify right side
    769,559.32x = 240,787,977,413.10
  5. Step 5: Solve for x
    x = 240,787,977,413.10/769,559.32
  6. Step 6: Final answer
    x = 312,890.73

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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.