Home / 911,247.66-1,257,516.77-503,377.56

Finding the Fourth Proportional to 911,247.66, 1,257,516.77 and 503,377.56

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Solution

The fourth proportional to 911,247.66, 1,257,516.77 and 503,377.56 is: 694,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,247.66 : 1,257,516.77 = 503,377.56 : x
  2. Step 2: Convert to fraction form
    911,247.66/1,257,516.77 = 503,377.56/x
  3. Step 3: Cross multiply
    911,247.66x = 1,257,516.77 × 503,377.56
  4. Step 4: Simplify right side
    911,247.66x = 633,005,720,824.79
  5. Step 5: Solve for x
    x = 633,005,720,824.79/911,247.66
  6. Step 6: Final answer
    x = 694,658.27

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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.