Home / 931,768.46-1,397,683.97-257,793.38

Finding the Fourth Proportional to 931,768.46, 1,397,683.97 and 257,793.38

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Solution

The fourth proportional to 931,768.46, 1,397,683.97 and 257,793.38 is: 386,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,768.46 : 1,397,683.97 = 257,793.38 : x
  2. Step 2: Convert to fraction form
    931,768.46/1,397,683.97 = 257,793.38/x
  3. Step 3: Cross multiply
    931,768.46x = 1,397,683.97 × 257,793.38
  4. Step 4: Simplify right side
    931,768.46x = 360,313,674,178.86
  5. Step 5: Solve for x
    x = 360,313,674,178.86/931,768.46
  6. Step 6: Final answer
    x = 386,698.72

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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.