Home / 908,213.28-1,253,318.58-526,275.60

Finding the Fourth Proportional to 908,213.28, 1,253,318.58 and 526,275.60

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Solution

The fourth proportional to 908,213.28, 1,253,318.58 and 526,275.60 is: 726,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,213.28 : 1,253,318.58 = 526,275.60 : x
  2. Step 2: Convert to fraction form
    908,213.28/1,253,318.58 = 526,275.60/x
  3. Step 3: Cross multiply
    908,213.28x = 1,253,318.58 × 526,275.60
  4. Step 4: Simplify right side
    908,213.28x = 659,590,987,680.65
  5. Step 5: Solve for x
    x = 659,590,987,680.65/908,213.28
  6. Step 6: Final answer
    x = 726,251.20

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Double scale
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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.