Home / 931,083.35-1,396,597.41-257,205.20

Finding the Fourth Proportional to 931,083.35, 1,396,597.41 and 257,205.20

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Solution

The fourth proportional to 931,083.35, 1,396,597.41 and 257,205.20 is: 385,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,083.35 : 1,396,597.41 = 257,205.20 : x
  2. Step 2: Convert to fraction form
    931,083.35/1,396,597.41 = 257,205.20/x
  3. Step 3: Cross multiply
    931,083.35x = 1,396,597.41 × 257,205.20
  4. Step 4: Simplify right side
    931,083.35x = 359,212,109,175.55
  5. Step 5: Solve for x
    x = 359,212,109,175.55/931,083.35
  6. Step 6: Final answer
    x = 385,800.17

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Double scale
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Similar ratio
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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.