Home / 908,082.56-1,253,153.94-526,330.78

Finding the Fourth Proportional to 908,082.56, 1,253,153.94 and 526,330.78

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Solution

The fourth proportional to 908,082.56, 1,253,153.94 and 526,330.78 is: 726,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,082.56 : 1,253,153.94 = 526,330.78 : x
  2. Step 2: Convert to fraction form
    908,082.56/1,253,153.94 = 526,330.78/x
  3. Step 3: Cross multiply
    908,082.56x = 1,253,153.94 × 526,330.78
  4. Step 4: Simplify right side
    908,082.56x = 659,573,485,593.65
  5. Step 5: Solve for x
    x = 659,573,485,593.65/908,082.56
  6. Step 6: Final answer
    x = 726,336.47

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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.