Home / 827,214.87-1,141,531.62-459,690.78

Finding the Fourth Proportional to 827,214.87, 1,141,531.62 and 459,690.78

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Solution

The fourth proportional to 827,214.87, 1,141,531.62 and 459,690.78 is: 634,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,214.87 : 1,141,531.62 = 459,690.78 : x
  2. Step 2: Convert to fraction form
    827,214.87/1,141,531.62 = 459,690.78/x
  3. Step 3: Cross multiply
    827,214.87x = 1,141,531.62 × 459,690.78
  4. Step 4: Simplify right side
    827,214.87x = 524,751,560,792.46
  5. Step 5: Solve for x
    x = 524,751,560,792.46/827,214.87
  6. Step 6: Final answer
    x = 634,359.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.