Home / 600,665.40-828,836.46-358,896.90

Finding the Fourth Proportional to 600,665.40, 828,836.46 and 358,896.90

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Solution

The fourth proportional to 600,665.40, 828,836.46 and 358,896.90 is: 495,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,665.40 : 828,836.46 = 358,896.90 : x
  2. Step 2: Convert to fraction form
    600,665.40/828,836.46 = 358,896.90/x
  3. Step 3: Cross multiply
    600,665.40x = 828,836.46 × 358,896.90
  4. Step 4: Simplify right side
    600,665.40x = 297,466,836,100.97
  5. Step 5: Solve for x
    x = 297,466,836,100.97/600,665.40
  6. Step 6: Final answer
    x = 495,228.85

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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.