Home / 702,949.07-1,054,205.65-253,611.54

Finding the Fourth Proportional to 702,949.07, 1,054,205.65 and 253,611.54

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Solution

The fourth proportional to 702,949.07, 1,054,205.65 and 253,611.54 is: 380,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,949.07 : 1,054,205.65 = 253,611.54 : x
  2. Step 2: Convert to fraction form
    702,949.07/1,054,205.65 = 253,611.54/x
  3. Step 3: Cross multiply
    702,949.07x = 1,054,205.65 × 253,611.54
  4. Step 4: Simplify right side
    702,949.07x = 267,358,718,373.20
  5. Step 5: Solve for x
    x = 267,358,718,373.20/702,949.07
  6. Step 6: Final answer
    x = 380,338.68

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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.