Home / 637,927.20-957,020.40-217,245.60

Finding the Fourth Proportional to 637,927.20, 957,020.40 and 217,245.60

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Solution

The fourth proportional to 637,927.20, 957,020.40 and 217,245.60 is: 325,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,927.20 : 957,020.40 = 217,245.60 : x
  2. Step 2: Convert to fraction form
    637,927.20/957,020.40 = 217,245.60/x
  3. Step 3: Cross multiply
    637,927.20x = 957,020.40 × 217,245.60
  4. Step 4: Simplify right side
    637,927.20x = 207,908,471,010.24
  5. Step 5: Solve for x
    x = 207,908,471,010.24/637,927.20
  6. Step 6: Final answer
    x = 325,912.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.