Home / 649,629.56-974,433.60-194,221.86

Finding the Fourth Proportional to 649,629.56, 974,433.60 and 194,221.86

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Solution

The fourth proportional to 649,629.56, 974,433.60 and 194,221.86 is: 291,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,629.56 : 974,433.60 = 194,221.86 : x
  2. Step 2: Convert to fraction form
    649,629.56/974,433.60 = 194,221.86/x
  3. Step 3: Cross multiply
    649,629.56x = 974,433.60 × 194,221.86
  4. Step 4: Simplify right side
    649,629.56x = 189,256,306,238.50
  5. Step 5: Solve for x
    x = 189,256,306,238.50/649,629.56
  6. Step 6: Final answer
    x = 291,329.58

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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.