Home / 649,766.37-974,760.54-200,478.81

Finding the Fourth Proportional to 649,766.37, 974,760.54 and 200,478.81

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Solution

The fourth proportional to 649,766.37, 974,760.54 and 200,478.81 is: 300,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,766.37 : 974,760.54 = 200,478.81 : x
  2. Step 2: Convert to fraction form
    649,766.37/974,760.54 = 200,478.81/x
  3. Step 3: Cross multiply
    649,766.37x = 974,760.54 × 200,478.81
  4. Step 4: Simplify right side
    649,766.37x = 195,418,833,094.16
  5. Step 5: Solve for x
    x = 195,418,833,094.16/649,766.37
  6. Step 6: Final answer
    x = 300,752.46

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Similar ratio
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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.