Home / 740,733.20-1,111,188.78-260,861.82

Finding the Fourth Proportional to 740,733.20, 1,111,188.78 and 260,861.82

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Solution

The fourth proportional to 740,733.20, 1,111,188.78 and 260,861.82 is: 391,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,733.20 : 1,111,188.78 = 260,861.82 : x
  2. Step 2: Convert to fraction form
    740,733.20/1,111,188.78 = 260,861.82/x
  3. Step 3: Cross multiply
    740,733.20x = 1,111,188.78 × 260,861.82
  4. Step 4: Simplify right side
    740,733.20x = 289,866,727,514.38
  5. Step 5: Solve for x
    x = 289,866,727,514.38/740,733.20
  6. Step 6: Final answer
    x = 391,324.07

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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.