Home / 526,896.12-727,134.27-322,907.64

Finding the Fourth Proportional to 526,896.12, 727,134.27 and 322,907.64

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Solution

The fourth proportional to 526,896.12, 727,134.27 and 322,907.64 is: 445,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,896.12 : 727,134.27 = 322,907.64 : x
  2. Step 2: Convert to fraction form
    526,896.12/727,134.27 = 322,907.64/x
  3. Step 3: Cross multiply
    526,896.12x = 727,134.27 × 322,907.64
  4. Step 4: Simplify right side
    526,896.12x = 234,797,211,088.82
  5. Step 5: Solve for x
    x = 234,797,211,088.82/526,896.12
  6. Step 6: Final answer
    x = 445,623.34

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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.