Home / 864,721.70-1,297,082.55-367,057.70

Finding the Fourth Proportional to 864,721.70, 1,297,082.55 and 367,057.70

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Solution

The fourth proportional to 864,721.70, 1,297,082.55 and 367,057.70 is: 550,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,721.70 : 1,297,082.55 = 367,057.70 : x
  2. Step 2: Convert to fraction form
    864,721.70/1,297,082.55 = 367,057.70/x
  3. Step 3: Cross multiply
    864,721.70x = 1,297,082.55 × 367,057.70
  4. Step 4: Simplify right side
    864,721.70x = 476,104,137,513.14
  5. Step 5: Solve for x
    x = 476,104,137,513.14/864,721.70
  6. Step 6: Final answer
    x = 550,586.55

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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.