Home / 863,992.55-1,192,301.28-476,811.54

Finding the Fourth Proportional to 863,992.55, 1,192,301.28 and 476,811.54

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Solution

The fourth proportional to 863,992.55, 1,192,301.28 and 476,811.54 is: 657,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,992.55 : 1,192,301.28 = 476,811.54 : x
  2. Step 2: Convert to fraction form
    863,992.55/1,192,301.28 = 476,811.54/x
  3. Step 3: Cross multiply
    863,992.55x = 1,192,301.28 × 476,811.54
  4. Step 4: Simplify right side
    863,992.55x = 568,503,009,460.77
  5. Step 5: Solve for x
    x = 568,503,009,460.77/863,992.55
  6. Step 6: Final answer
    x = 657,995.27

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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.