Home / 896,121.71-1,236,648.09-488,223.54

Finding the Fourth Proportional to 896,121.71, 1,236,648.09 and 488,223.54

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Solution

The fourth proportional to 896,121.71, 1,236,648.09 and 488,223.54 is: 673,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,121.71 : 1,236,648.09 = 488,223.54 : x
  2. Step 2: Convert to fraction form
    896,121.71/1,236,648.09 = 488,223.54/x
  3. Step 3: Cross multiply
    896,121.71x = 1,236,648.09 × 488,223.54
  4. Step 4: Simplify right side
    896,121.71x = 603,760,715,121.65
  5. Step 5: Solve for x
    x = 603,760,715,121.65/896,121.71
  6. Step 6: Final answer
    x = 673,748.56

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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.