Home / 892,188.80-1,338,153.60-261,036.80

Finding the Fourth Proportional to 892,188.80, 1,338,153.60 and 261,036.80

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Solution

The fourth proportional to 892,188.80, 1,338,153.60 and 261,036.80 is: 391,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,188.80 : 1,338,153.60 = 261,036.80 : x
  2. Step 2: Convert to fraction form
    892,188.80/1,338,153.60 = 261,036.80/x
  3. Step 3: Cross multiply
    892,188.80x = 1,338,153.60 × 261,036.80
  4. Step 4: Simplify right side
    892,188.80x = 349,307,333,652.48
  5. Step 5: Solve for x
    x = 349,307,333,652.48/892,188.80
  6. Step 6: Final answer
    x = 391,517.28

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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.