Home / 638,848.80-958,273.20-526,874.40

Finding the Fourth Proportional to 638,848.80, 958,273.20 and 526,874.40

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Solution

The fourth proportional to 638,848.80, 958,273.20 and 526,874.40 is: 790,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,848.80 : 958,273.20 = 526,874.40 : x
  2. Step 2: Convert to fraction form
    638,848.80/958,273.20 = 526,874.40/x
  3. Step 3: Cross multiply
    638,848.80x = 958,273.20 × 526,874.40
  4. Step 4: Simplify right side
    638,848.80x = 504,889,617,286.08
  5. Step 5: Solve for x
    x = 504,889,617,286.08/638,848.80
  6. Step 6: Final answer
    x = 790,311.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.