Home / 908,195.50-1,253,310.20-526,443.72

Finding the Fourth Proportional to 908,195.50, 1,253,310.20 and 526,443.72

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Solution

The fourth proportional to 908,195.50, 1,253,310.20 and 526,443.72 is: 726,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,195.50 : 1,253,310.20 = 526,443.72 : x
  2. Step 2: Convert to fraction form
    908,195.50/1,253,310.20 = 526,443.72/x
  3. Step 3: Cross multiply
    908,195.50x = 1,253,310.20 × 526,443.72
  4. Step 4: Simplify right side
    908,195.50x = 659,797,284,001.94
  5. Step 5: Solve for x
    x = 659,797,284,001.94/908,195.50
  6. Step 6: Final answer
    x = 726,492.57

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Double scale
Find fourth proportional to 908,196.50, 1,253,311.58 and 526,444.72
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.