Home / 692,992.80-1,040,331.60-440,272.80

Finding the Fourth Proportional to 692,992.80, 1,040,331.60 and 440,272.80

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Solution

The fourth proportional to 692,992.80, 1,040,331.60 and 440,272.80 is: 660,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,992.80 : 1,040,331.60 = 440,272.80 : x
  2. Step 2: Convert to fraction form
    692,992.80/1,040,331.60 = 440,272.80/x
  3. Step 3: Cross multiply
    692,992.80x = 1,040,331.60 × 440,272.80
  4. Step 4: Simplify right side
    692,992.80x = 458,029,706,460.48
  5. Step 5: Solve for x
    x = 458,029,706,460.48/692,992.80
  6. Step 6: Final answer
    x = 660,944.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.