Home / 769,537.88-1,154,306.83-208,572.38

Finding the Fourth Proportional to 769,537.88, 1,154,306.83 and 208,572.38

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Solution

The fourth proportional to 769,537.88, 1,154,306.83 and 208,572.38 is: 312,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,537.88 : 1,154,306.83 = 208,572.38 : x
  2. Step 2: Convert to fraction form
    769,537.88/1,154,306.83 = 208,572.38/x
  3. Step 3: Cross multiply
    769,537.88x = 1,154,306.83 × 208,572.38
  4. Step 4: Simplify right side
    769,537.88x = 240,756,522,783.36
  5. Step 5: Solve for x
    x = 240,756,522,783.36/769,537.88
  6. Step 6: Final answer
    x = 312,858.57

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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.