Home / 653,223.20-979,582.86-253,811.39

Finding the Fourth Proportional to 653,223.20, 979,582.86 and 253,811.39

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Solution

The fourth proportional to 653,223.20, 979,582.86 and 253,811.39 is: 380,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,223.20 : 979,582.86 = 253,811.39 : x
  2. Step 2: Convert to fraction form
    653,223.20/979,582.86 = 253,811.39/x
  3. Step 3: Cross multiply
    653,223.20x = 979,582.86 × 253,811.39
  4. Step 4: Simplify right side
    653,223.20x = 248,629,282,418.86
  5. Step 5: Solve for x
    x = 248,629,282,418.86/653,223.20
  6. Step 6: Final answer
    x = 380,619.19

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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.