Home / 931,074.41-1,396,583.91-257,196.13

Finding the Fourth Proportional to 931,074.41, 1,396,583.91 and 257,196.13

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Solution

The fourth proportional to 931,074.41, 1,396,583.91 and 257,196.13 is: 385,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,074.41 : 1,396,583.91 = 257,196.13 : x
  2. Step 2: Convert to fraction form
    931,074.41/1,396,583.91 = 257,196.13/x
  3. Step 3: Cross multiply
    931,074.41x = 1,396,583.91 × 257,196.13
  4. Step 4: Simplify right side
    931,074.41x = 359,195,973,380.81
  5. Step 5: Solve for x
    x = 359,195,973,380.81/931,074.41
  6. Step 6: Final answer
    x = 385,786.54

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Double scale
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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.