Home / 649,939.77-974,630.83-223,518.51

Finding the Fourth Proportional to 649,939.77, 974,630.83 and 223,518.51

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Solution

The fourth proportional to 649,939.77, 974,630.83 and 223,518.51 is: 335,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,939.77 : 974,630.83 = 223,518.51 : x
  2. Step 2: Convert to fraction form
    649,939.77/974,630.83 = 223,518.51/x
  3. Step 3: Cross multiply
    649,939.77x = 974,630.83 × 223,518.51
  4. Step 4: Simplify right side
    649,939.77x = 217,848,030,921.66
  5. Step 5: Solve for x
    x = 217,848,030,921.66/649,939.77
  6. Step 6: Final answer
    x = 335,181.88

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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.