Home / 931,069.64-1,396,576.78-257,191.38

Finding the Fourth Proportional to 931,069.64, 1,396,576.78 and 257,191.38

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Solution

The fourth proportional to 931,069.64, 1,396,576.78 and 257,191.38 is: 385,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,069.64 : 1,396,576.78 = 257,191.38 : x
  2. Step 2: Convert to fraction form
    931,069.64/1,396,576.78 = 257,191.38/x
  3. Step 3: Cross multiply
    931,069.64x = 1,396,576.78 × 257,191.38
  4. Step 4: Simplify right side
    931,069.64x = 359,187,509,324.16
  5. Step 5: Solve for x
    x = 359,187,509,324.16/931,069.64
  6. Step 6: Final answer
    x = 385,779.42

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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.