Home / 455,933.10-683,899.65-367,359.60

Finding the Fourth Proportional to 455,933.10, 683,899.65 and 367,359.60

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Solution

The fourth proportional to 455,933.10, 683,899.65 and 367,359.60 is: 551,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,933.10 : 683,899.65 = 367,359.60 : x
  2. Step 2: Convert to fraction form
    455,933.10/683,899.65 = 367,359.60/x
  3. Step 3: Cross multiply
    455,933.10x = 683,899.65 × 367,359.60
  4. Step 4: Simplify right side
    455,933.10x = 251,237,101,864.14
  5. Step 5: Solve for x
    x = 251,237,101,864.14/455,933.10
  6. Step 6: Final answer
    x = 551,039.40

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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.