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Finding the Fourth Proportional to 886,658.88, 1,223,597.02 and 504,710.22

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Solution

The fourth proportional to 886,658.88, 1,223,597.02 and 504,710.22 is: 696,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,658.88 : 1,223,597.02 = 504,710.22 : x
  2. Step 2: Convert to fraction form
    886,658.88/1,223,597.02 = 504,710.22/x
  3. Step 3: Cross multiply
    886,658.88x = 1,223,597.02 × 504,710.22
  4. Step 4: Simplify right side
    886,658.88x = 617,561,921,155.54
  5. Step 5: Solve for x
    x = 617,561,921,155.54/886,658.88
  6. Step 6: Final answer
    x = 696,504.52

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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.