Home / 526,896.28-727,134.50-322,907.80

Finding the Fourth Proportional to 526,896.28, 727,134.50 and 322,907.80

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Solution

The fourth proportional to 526,896.28, 727,134.50 and 322,907.80 is: 445,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,896.28 : 727,134.50 = 322,907.80 : x
  2. Step 2: Convert to fraction form
    526,896.28/727,134.50 = 322,907.80/x
  3. Step 3: Cross multiply
    526,896.28x = 727,134.50 × 322,907.80
  4. Step 4: Simplify right side
    526,896.28x = 234,797,401,699.10
  5. Step 5: Solve for x
    x = 234,797,401,699.10/526,896.28
  6. Step 6: Final answer
    x = 445,623.57

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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.