Home / 455,919.44-683,267.80-354,839.56

Finding the Fourth Proportional to 455,919.44, 683,267.80 and 354,839.56

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Solution

The fourth proportional to 455,919.44, 683,267.80 and 354,839.56 is: 531,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919.44 : 683,267.80 = 354,839.56 : x
  2. Step 2: Convert to fraction form
    455,919.44/683,267.80 = 354,839.56/x
  3. Step 3: Cross multiply
    455,919.44x = 683,267.80 × 354,839.56
  4. Step 4: Simplify right side
    455,919.44x = 242,450,445,514.17
  5. Step 5: Solve for x
    x = 242,450,445,514.17/455,919.44
  6. Step 6: Final answer
    x = 531,783.52

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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.