Home / 908,283.64-1,253,431.86-526,532.20

Finding the Fourth Proportional to 908,283.64, 1,253,431.86 and 526,532.20

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Solution

The fourth proportional to 908,283.64, 1,253,431.86 and 526,532.20 is: 726,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,283.64 : 1,253,431.86 = 526,532.20 : x
  2. Step 2: Convert to fraction form
    908,283.64/1,253,431.86 = 526,532.20/x
  3. Step 3: Cross multiply
    908,283.64x = 1,253,431.86 × 526,532.20
  4. Step 4: Simplify right side
    908,283.64x = 659,972,234,795.89
  5. Step 5: Solve for x
    x = 659,972,234,795.89/908,283.64
  6. Step 6: Final answer
    x = 726,614.69

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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.