Home / 389,626.25-584,440.99-123,573.65

Finding the Fourth Proportional to 389,626.25, 584,440.99 and 123,573.65

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Solution

The fourth proportional to 389,626.25, 584,440.99 and 123,573.65 is: 185,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,626.25 : 584,440.99 = 123,573.65 : x
  2. Step 2: Convert to fraction form
    389,626.25/584,440.99 = 123,573.65/x
  3. Step 3: Cross multiply
    389,626.25x = 584,440.99 × 123,573.65
  4. Step 4: Simplify right side
    389,626.25x = 72,221,503,112.77
  5. Step 5: Solve for x
    x = 72,221,503,112.77/389,626.25
  6. Step 6: Final answer
    x = 185,360.98

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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.