Home / 930,884.94-1,396,299.51-257,007.38

Finding the Fourth Proportional to 930,884.94, 1,396,299.51 and 257,007.38

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Solution

The fourth proportional to 930,884.94, 1,396,299.51 and 257,007.38 is: 385,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,884.94 : 1,396,299.51 = 257,007.38 : x
  2. Step 2: Convert to fraction form
    930,884.94/1,396,299.51 = 257,007.38/x
  3. Step 3: Cross multiply
    930,884.94x = 1,396,299.51 × 257,007.38
  4. Step 4: Simplify right side
    930,884.94x = 358,859,271,778.89
  5. Step 5: Solve for x
    x = 358,859,271,778.89/930,884.94
  6. Step 6: Final answer
    x = 385,503.36

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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.