Home / 931,087.85-1,396,604.16-257,209.70

Finding the Fourth Proportional to 931,087.85, 1,396,604.16 and 257,209.70

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Solution

The fourth proportional to 931,087.85, 1,396,604.16 and 257,209.70 is: 385,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,087.85 : 1,396,604.16 = 257,209.70 : x
  2. Step 2: Convert to fraction form
    931,087.85/1,396,604.16 = 257,209.70/x
  3. Step 3: Cross multiply
    931,087.85x = 1,396,604.16 × 257,209.70
  4. Step 4: Simplify right side
    931,087.85x = 359,220,130,029.33
  5. Step 5: Solve for x
    x = 359,220,130,029.33/931,087.85
  6. Step 6: Final answer
    x = 385,806.92

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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.