Home / 931,049.51-1,396,591.84-257,148.74

Finding the Fourth Proportional to 931,049.51, 1,396,591.84 and 257,148.74

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Solution

The fourth proportional to 931,049.51, 1,396,591.84 and 257,148.74 is: 385,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,049.51 : 1,396,591.84 = 257,148.74 : x
  2. Step 2: Convert to fraction form
    931,049.51/1,396,591.84 = 257,148.74/x
  3. Step 3: Cross multiply
    931,049.51x = 1,396,591.84 × 257,148.74
  4. Step 4: Simplify right side
    931,049.51x = 359,131,835,763.20
  5. Step 5: Solve for x
    x = 359,131,835,763.20/931,049.51
  6. Step 6: Final answer
    x = 385,727.97

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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.