Home / 862,864.28-1,294,583.40-383,025.50

Finding the Fourth Proportional to 862,864.28, 1,294,583.40 and 383,025.50

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Solution

The fourth proportional to 862,864.28, 1,294,583.40 and 383,025.50 is: 574,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,864.28 : 1,294,583.40 = 383,025.50 : x
  2. Step 2: Convert to fraction form
    862,864.28/1,294,583.40 = 383,025.50/x
  3. Step 3: Cross multiply
    862,864.28x = 1,294,583.40 × 383,025.50
  4. Step 4: Simplify right side
    862,864.28x = 495,858,454,076.70
  5. Step 5: Solve for x
    x = 495,858,454,076.70/862,864.28
  6. Step 6: Final answer
    x = 574,665.64

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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.