Home / 511,428.89-706,074.24-454,683.19

Finding the Fourth Proportional to 511,428.89, 706,074.24 and 454,683.19

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Solution

The fourth proportional to 511,428.89, 706,074.24 and 454,683.19 is: 627,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,428.89 : 706,074.24 = 454,683.19 : x
  2. Step 2: Convert to fraction form
    511,428.89/706,074.24 = 454,683.19/x
  3. Step 3: Cross multiply
    511,428.89x = 706,074.24 × 454,683.19
  4. Step 4: Simplify right side
    511,428.89x = 321,040,087,759.90
  5. Step 5: Solve for x
    x = 321,040,087,759.90/511,428.89
  6. Step 6: Final answer
    x = 627,731.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.