Home / 892,154.43-1,231,174.21-484,256.25

Finding the Fourth Proportional to 892,154.43, 1,231,174.21 and 484,256.25

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Solution

The fourth proportional to 892,154.43, 1,231,174.21 and 484,256.25 is: 668,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,154.43 : 1,231,174.21 = 484,256.25 : x
  2. Step 2: Convert to fraction form
    892,154.43/1,231,174.21 = 484,256.25/x
  3. Step 3: Cross multiply
    892,154.43x = 1,231,174.21 × 484,256.25
  4. Step 4: Simplify right side
    892,154.43x = 596,203,806,031.31
  5. Step 5: Solve for x
    x = 596,203,806,031.31/892,154.43
  6. Step 6: Final answer
    x = 668,274.22

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.