Home / 526,028.06-725,904.12-296,583.30

Finding the Fourth Proportional to 526,028.06, 725,904.12 and 296,583.30

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Solution

The fourth proportional to 526,028.06, 725,904.12 and 296,583.30 is: 409,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,028.06 : 725,904.12 = 296,583.30 : x
  2. Step 2: Convert to fraction form
    526,028.06/725,904.12 = 296,583.30/x
  3. Step 3: Cross multiply
    526,028.06x = 725,904.12 × 296,583.30
  4. Step 4: Simplify right side
    526,028.06x = 215,291,039,393.20
  5. Step 5: Solve for x
    x = 215,291,039,393.20/526,028.06
  6. Step 6: Final answer
    x = 409,276.72

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Double scale
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Similar ratio
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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.