Home / 983,136.62-1,474,348.13-343,260.72

Finding the Fourth Proportional to 983,136.62, 1,474,348.13 and 343,260.72

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Solution

The fourth proportional to 983,136.62, 1,474,348.13 and 343,260.72 is: 514,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,136.62 : 1,474,348.13 = 343,260.72 : x
  2. Step 2: Convert to fraction form
    983,136.62/1,474,348.13 = 343,260.72/x
  3. Step 3: Cross multiply
    983,136.62x = 1,474,348.13 × 343,260.72
  4. Step 4: Simplify right side
    983,136.62x = 506,085,800,634.45
  5. Step 5: Solve for x
    x = 506,085,800,634.45/983,136.62
  6. Step 6: Final answer
    x = 514,766.50

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Double scale
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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.