Home / 931,086.44-1,396,374.78-257,006.60

Finding the Fourth Proportional to 931,086.44, 1,396,374.78 and 257,006.60

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Solution

The fourth proportional to 931,086.44, 1,396,374.78 and 257,006.60 is: 385,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,086.44 : 1,396,374.78 = 257,006.60 : x
  2. Step 2: Convert to fraction form
    931,086.44/1,396,374.78 = 257,006.60/x
  3. Step 3: Cross multiply
    931,086.44x = 1,396,374.78 × 257,006.60
  4. Step 4: Simplify right side
    931,086.44x = 358,877,526,266.64
  5. Step 5: Solve for x
    x = 358,877,526,266.64/931,086.44
  6. Step 6: Final answer
    x = 385,439.54

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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.