Home / 892,126.72-1,231,136.10-484,228.64

Finding the Fourth Proportional to 892,126.72, 1,231,136.10 and 484,228.64

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Solution

The fourth proportional to 892,126.72, 1,231,136.10 and 484,228.64 is: 668,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,126.72 : 1,231,136.10 = 484,228.64 : x
  2. Step 2: Convert to fraction form
    892,126.72/1,231,136.10 = 484,228.64/x
  3. Step 3: Cross multiply
    892,126.72x = 1,231,136.10 × 484,228.64
  4. Step 4: Simplify right side
    892,126.72x = 596,151,359,357.90
  5. Step 5: Solve for x
    x = 596,151,359,357.90/892,126.72
  6. Step 6: Final answer
    x = 668,236.19

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Double scale
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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.