Home / 649,785.99-974,471.70-223,218.96

Finding the Fourth Proportional to 649,785.99, 974,471.70 and 223,218.96

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Solution

The fourth proportional to 649,785.99, 974,471.70 and 223,218.96 is: 334,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,785.99 : 974,471.70 = 223,218.96 : x
  2. Step 2: Convert to fraction form
    649,785.99/974,471.70 = 223,218.96/x
  3. Step 3: Cross multiply
    649,785.99x = 974,471.70 × 223,218.96
  4. Step 4: Simplify right side
    649,785.99x = 217,520,559,423.43
  5. Step 5: Solve for x
    x = 217,520,559,423.43/649,785.99
  6. Step 6: Final answer
    x = 334,757.23

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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.