Home / 713,750.67-1,070,906.22-314,111.12

Finding the Fourth Proportional to 713,750.67, 1,070,906.22 and 314,111.12

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Solution

The fourth proportional to 713,750.67, 1,070,906.22 and 314,111.12 is: 471,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,750.67 : 1,070,906.22 = 314,111.12 : x
  2. Step 2: Convert to fraction form
    713,750.67/1,070,906.22 = 314,111.12/x
  3. Step 3: Cross multiply
    713,750.67x = 1,070,906.22 × 314,111.12
  4. Step 4: Simplify right side
    713,750.67x = 336,383,546,824.64
  5. Step 5: Solve for x
    x = 336,383,546,824.64/713,750.67
  6. Step 6: Final answer
    x = 471,289.99

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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.