Home / 825,466.14-1,138,660.61-519,057.45

Finding the Fourth Proportional to 825,466.14, 1,138,660.61 and 519,057.45

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Solution

The fourth proportional to 825,466.14, 1,138,660.61 and 519,057.45 is: 715,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,466.14 : 1,138,660.61 = 519,057.45 : x
  2. Step 2: Convert to fraction form
    825,466.14/1,138,660.61 = 519,057.45/x
  3. Step 3: Cross multiply
    825,466.14x = 1,138,660.61 × 519,057.45
  4. Step 4: Simplify right side
    825,466.14x = 591,030,270,046.76
  5. Step 5: Solve for x
    x = 591,030,270,046.76/825,466.14
  6. Step 6: Final answer
    x = 715,995.78

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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.