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Finding the Fourth Proportional to 797,414.40, 1,100,390.40 and 495,601.92

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Solution

The fourth proportional to 797,414.40, 1,100,390.40 and 495,601.92 is: 683,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,414.40 : 1,100,390.40 = 495,601.92 : x
  2. Step 2: Convert to fraction form
    797,414.40/1,100,390.40 = 495,601.92/x
  3. Step 3: Cross multiply
    797,414.40x = 1,100,390.40 × 495,601.92
  4. Step 4: Simplify right side
    797,414.40x = 545,355,594,989.57
  5. Step 5: Solve for x
    x = 545,355,594,989.57/797,414.40
  6. Step 6: Final answer
    x = 683,904.87

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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.