Home / 472,890.58-709,657.17-192,458.86

Finding the Fourth Proportional to 472,890.58, 709,657.17 and 192,458.86

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Solution

The fourth proportional to 472,890.58, 709,657.17 and 192,458.86 is: 288,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,890.58 : 709,657.17 = 192,458.86 : x
  2. Step 2: Convert to fraction form
    472,890.58/709,657.17 = 192,458.86/x
  3. Step 3: Cross multiply
    472,890.58x = 709,657.17 × 192,458.86
  4. Step 4: Simplify right side
    472,890.58x = 136,579,809,929.03
  5. Step 5: Solve for x
    x = 136,579,809,929.03/472,890.58
  6. Step 6: Final answer
    x = 288,819.05

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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.