Home / 526,895.28-727,133.12-322,906.80

Finding the Fourth Proportional to 526,895.28, 727,133.12 and 322,906.80

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Solution

The fourth proportional to 526,895.28, 727,133.12 and 322,906.80 is: 445,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,895.28 : 727,133.12 = 322,906.80 : x
  2. Step 2: Convert to fraction form
    526,895.28/727,133.12 = 322,906.80/x
  3. Step 3: Cross multiply
    526,895.28x = 727,133.12 × 322,906.80
  4. Step 4: Simplify right side
    526,895.28x = 234,796,227,338.68
  5. Step 5: Solve for x
    x = 234,796,227,338.68/526,895.28
  6. Step 6: Final answer
    x = 445,622.19

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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.