Home / 511,447.28-706,099.64-454,701.60

Finding the Fourth Proportional to 511,447.28, 706,099.64 and 454,701.60

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Solution

The fourth proportional to 511,447.28, 706,099.64 and 454,701.60 is: 627,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,447.28 : 706,099.64 = 454,701.60 : x
  2. Step 2: Convert to fraction form
    511,447.28/706,099.64 = 454,701.60/x
  3. Step 3: Cross multiply
    511,447.28x = 706,099.64 × 454,701.60
  4. Step 4: Simplify right side
    511,447.28x = 321,064,636,067.42
  5. Step 5: Solve for x
    x = 321,064,636,067.42/511,447.28
  6. Step 6: Final answer
    x = 627,757.05

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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.