Home / 505,174.14-697,140.32-344,310.21

Finding the Fourth Proportional to 505,174.14, 697,140.32 and 344,310.21

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Solution

The fourth proportional to 505,174.14, 697,140.32 and 344,310.21 is: 475,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,174.14 : 697,140.32 = 344,310.21 : x
  2. Step 2: Convert to fraction form
    505,174.14/697,140.32 = 344,310.21/x
  3. Step 3: Cross multiply
    505,174.14x = 697,140.32 × 344,310.21
  4. Step 4: Simplify right side
    505,174.14x = 240,032,528,257.12
  5. Step 5: Solve for x
    x = 240,032,528,257.12/505,174.14
  6. Step 6: Final answer
    x = 475,148.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.