Home / 345,029.50-476,107.32-254,434.24

Finding the Fourth Proportional to 345,029.50, 476,107.32 and 254,434.24

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Solution

The fourth proportional to 345,029.50, 476,107.32 and 254,434.24 is: 351,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,029.50 : 476,107.32 = 254,434.24 : x
  2. Step 2: Convert to fraction form
    345,029.50/476,107.32 = 254,434.24/x
  3. Step 3: Cross multiply
    345,029.50x = 476,107.32 × 254,434.24
  4. Step 4: Simplify right side
    345,029.50x = 121,138,004,122.64
  5. Step 5: Solve for x
    x = 121,138,004,122.64/345,029.50
  6. Step 6: Final answer
    x = 351,094.63

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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.