Home / 931,125.26-1,396,466.44-257,191.64

Finding the Fourth Proportional to 931,125.26, 1,396,466.44 and 257,191.64

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Solution

The fourth proportional to 931,125.26, 1,396,466.44 and 257,191.64 is: 385,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,125.26 : 1,396,466.44 = 257,191.64 : x
  2. Step 2: Convert to fraction form
    931,125.26/1,396,466.44 = 257,191.64/x
  3. Step 3: Cross multiply
    931,125.26x = 1,396,466.44 × 257,191.64
  4. Step 4: Simplify right side
    931,125.26x = 359,159,492,966.70
  5. Step 5: Solve for x
    x = 359,159,492,966.70/931,125.26
  6. Step 6: Final answer
    x = 385,726.29

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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.