Home / 1,263,728.50-1,895,592.76-505,911.14

Finding the Fourth Proportional to 1,263,728.50, 1,895,592.76 and 505,911.14

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Solution

The fourth proportional to 1,263,728.50, 1,895,592.76 and 505,911.14 is: 758,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,728.50 : 1,895,592.76 = 505,911.14 : x
  2. Step 2: Convert to fraction form
    1,263,728.50/1,895,592.76 = 505,911.14/x
  3. Step 3: Cross multiply
    1,263,728.50x = 1,895,592.76 × 505,911.14
  4. Step 4: Simplify right side
    1,263,728.50x = 959,001,494,187.35
  5. Step 5: Solve for x
    x = 959,001,494,187.35/1,263,728.50
  6. Step 6: Final answer
    x = 758,866.71

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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.