Home / 700,928.88-1,051,480.80-274,409.64

Finding the Fourth Proportional to 700,928.88, 1,051,480.80 and 274,409.64

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Solution

The fourth proportional to 700,928.88, 1,051,480.80 and 274,409.64 is: 411,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,928.88 : 1,051,480.80 = 274,409.64 : x
  2. Step 2: Convert to fraction form
    700,928.88/1,051,480.80 = 274,409.64/x
  3. Step 3: Cross multiply
    700,928.88x = 1,051,480.80 × 274,409.64
  4. Step 4: Simplify right side
    700,928.88x = 288,536,467,794.91
  5. Step 5: Solve for x
    x = 288,536,467,794.91/700,928.88
  6. Step 6: Final answer
    x = 411,648.71

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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.