Home / 702,921.78-1,054,164.72-253,584.24

Finding the Fourth Proportional to 702,921.78, 1,054,164.72 and 253,584.24

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Solution

The fourth proportional to 702,921.78, 1,054,164.72 and 253,584.24 is: 380,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,921.78 : 1,054,164.72 = 253,584.24 : x
  2. Step 2: Convert to fraction form
    702,921.78/1,054,164.72 = 253,584.24/x
  3. Step 3: Cross multiply
    702,921.78x = 1,054,164.72 × 253,584.24
  4. Step 4: Simplify right side
    702,921.78x = 267,319,559,356.01
  5. Step 5: Solve for x
    x = 267,319,559,356.01/702,921.78
  6. Step 6: Final answer
    x = 380,297.73

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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.