Home / 489,193.30-733,826.40-173,609.20

Finding the Fourth Proportional to 489,193.30, 733,826.40 and 173,609.20

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Solution

The fourth proportional to 489,193.30, 733,826.40 and 173,609.20 is: 260,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,193.30 : 733,826.40 = 173,609.20 : x
  2. Step 2: Convert to fraction form
    489,193.30/733,826.40 = 173,609.20/x
  3. Step 3: Cross multiply
    489,193.30x = 733,826.40 × 173,609.20
  4. Step 4: Simplify right side
    489,193.30x = 127,399,014,242.88
  5. Step 5: Solve for x
    x = 127,399,014,242.88/489,193.30
  6. Step 6: Final answer
    x = 260,426.74

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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.