Home / 838,821.60-1,258,138.26-231,696.27

Finding the Fourth Proportional to 838,821.60, 1,258,138.26 and 231,696.27

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Solution

The fourth proportional to 838,821.60, 1,258,138.26 and 231,696.27 is: 347,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,821.60 : 1,258,138.26 = 231,696.27 : x
  2. Step 2: Convert to fraction form
    838,821.60/1,258,138.26 = 231,696.27/x
  3. Step 3: Cross multiply
    838,821.60x = 1,258,138.26 × 231,696.27
  4. Step 4: Simplify right side
    838,821.60x = 291,505,941,986.29
  5. Step 5: Solve for x
    x = 291,505,941,986.29/838,821.60
  6. Step 6: Final answer
    x = 347,518.40

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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.