Home / 908,085.56-1,253,158.08-526,333.78

Finding the Fourth Proportional to 908,085.56, 1,253,158.08 and 526,333.78

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Solution

The fourth proportional to 908,085.56, 1,253,158.08 and 526,333.78 is: 726,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,085.56 : 1,253,158.08 = 526,333.78 : x
  2. Step 2: Convert to fraction form
    908,085.56/1,253,158.08 = 526,333.78/x
  3. Step 3: Cross multiply
    908,085.56x = 1,253,158.08 × 526,333.78
  4. Step 4: Simplify right side
    908,085.56x = 659,579,429,183.94
  5. Step 5: Solve for x
    x = 659,579,429,183.94/908,085.56
  6. Step 6: Final answer
    x = 726,340.62

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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.