Home / 825,551.74-1,138,777.86-519,143.32

Finding the Fourth Proportional to 825,551.74, 1,138,777.86 and 519,143.32

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Solution

The fourth proportional to 825,551.74, 1,138,777.86 and 519,143.32 is: 716,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,551.74 : 1,138,777.86 = 519,143.32 : x
  2. Step 2: Convert to fraction form
    825,551.74/1,138,777.86 = 519,143.32/x
  3. Step 3: Cross multiply
    825,551.74x = 1,138,777.86 × 519,143.32
  4. Step 4: Simplify right side
    825,551.74x = 591,188,918,982.90
  5. Step 5: Solve for x
    x = 591,188,918,982.90/825,551.74
  6. Step 6: Final answer
    x = 716,113.71

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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.