Home / 925,025.28-1,386,906.49-492,807.36

Finding the Fourth Proportional to 925,025.28, 1,386,906.49 and 492,807.36

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Solution

The fourth proportional to 925,025.28, 1,386,906.49 and 492,807.36 is: 738,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,025.28 : 1,386,906.49 = 492,807.36 : x
  2. Step 2: Convert to fraction form
    925,025.28/1,386,906.49 = 492,807.36/x
  3. Step 3: Cross multiply
    925,025.28x = 1,386,906.49 × 492,807.36
  4. Step 4: Simplify right side
    925,025.28x = 683,477,721,147.29
  5. Step 5: Solve for x
    x = 683,477,721,147.29/925,025.28
  6. Step 6: Final answer
    x = 738,874.64

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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.