Home / 931,794.75-1,397,723.13-257,819.58

Finding the Fourth Proportional to 931,794.75, 1,397,723.13 and 257,819.58

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Solution

The fourth proportional to 931,794.75, 1,397,723.13 and 257,819.58 is: 386,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,794.75 : 1,397,723.13 = 257,819.58 : x
  2. Step 2: Convert to fraction form
    931,794.75/1,397,723.13 = 257,819.58/x
  3. Step 3: Cross multiply
    931,794.75x = 1,397,723.13 × 257,819.58
  4. Step 4: Simplify right side
    931,794.75x = 360,360,390,332.89
  5. Step 5: Solve for x
    x = 360,360,390,332.89/931,794.75
  6. Step 6: Final answer
    x = 386,737.95

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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.