Home / 579,711.17-869,626.40-200,631.23

Finding the Fourth Proportional to 579,711.17, 869,626.40 and 200,631.23

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Solution

The fourth proportional to 579,711.17, 869,626.40 and 200,631.23 is: 300,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,711.17 : 869,626.40 = 200,631.23 : x
  2. Step 2: Convert to fraction form
    579,711.17/869,626.40 = 200,631.23/x
  3. Step 3: Cross multiply
    579,711.17x = 869,626.40 × 200,631.23
  4. Step 4: Simplify right side
    579,711.17x = 174,474,215,443.38
  5. Step 5: Solve for x
    x = 174,474,215,443.38/579,711.17
  6. Step 6: Final answer
    x = 300,967.49

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Double scale
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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.