Home / 862,928.32-1,190,789.85-495,320.53

Finding the Fourth Proportional to 862,928.32, 1,190,789.85 and 495,320.53

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Solution

The fourth proportional to 862,928.32, 1,190,789.85 and 495,320.53 is: 683,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,928.32 : 1,190,789.85 = 495,320.53 : x
  2. Step 2: Convert to fraction form
    862,928.32/1,190,789.85 = 495,320.53/x
  3. Step 3: Cross multiply
    862,928.32x = 1,190,789.85 × 495,320.53
  4. Step 4: Simplify right side
    862,928.32x = 589,822,659,620.62
  5. Step 5: Solve for x
    x = 589,822,659,620.62/862,928.32
  6. Step 6: Final answer
    x = 683,512.92

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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.