Home / 495,936.40-743,904.60-296,870.80

Finding the Fourth Proportional to 495,936.40, 743,904.60 and 296,870.80

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Solution

The fourth proportional to 495,936.40, 743,904.60 and 296,870.80 is: 445,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,936.40 : 743,904.60 = 296,870.80 : x
  2. Step 2: Convert to fraction form
    495,936.40/743,904.60 = 296,870.80/x
  3. Step 3: Cross multiply
    495,936.40x = 743,904.60 × 296,870.80
  4. Step 4: Simplify right side
    495,936.40x = 220,843,553,725.68
  5. Step 5: Solve for x
    x = 220,843,553,725.68/495,936.40
  6. Step 6: Final answer
    x = 445,306.20

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Similar ratio
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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.