Home / 649,523.05-974,374.76-200,279.23

Finding the Fourth Proportional to 649,523.05, 974,374.76 and 200,279.23

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Solution

The fourth proportional to 649,523.05, 974,374.76 and 200,279.23 is: 300,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,523.05 : 974,374.76 = 200,279.23 : x
  2. Step 2: Convert to fraction form
    649,523.05/974,374.76 = 200,279.23/x
  3. Step 3: Cross multiply
    649,523.05x = 974,374.76 × 200,279.23
  4. Step 4: Simplify right side
    649,523.05x = 195,147,026,664.24
  5. Step 5: Solve for x
    x = 195,147,026,664.24/649,523.05
  6. Step 6: Final answer
    x = 300,446.65

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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.