Home / 786,230.36-1,084,922.94-459,619.73

Finding the Fourth Proportional to 786,230.36, 1,084,922.94 and 459,619.73

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Solution

The fourth proportional to 786,230.36, 1,084,922.94 and 459,619.73 is: 634,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,230.36 : 1,084,922.94 = 459,619.73 : x
  2. Step 2: Convert to fraction form
    786,230.36/1,084,922.94 = 459,619.73/x
  3. Step 3: Cross multiply
    786,230.36x = 1,084,922.94 × 459,619.73
  4. Step 4: Simplify right side
    786,230.36x = 498,651,988,753.61
  5. Step 5: Solve for x
    x = 498,651,988,753.61/786,230.36
  6. Step 6: Final answer
    x = 634,231.41

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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.