Home / 451,919.64-623,645.82-250,715.64

Finding the Fourth Proportional to 451,919.64, 623,645.82 and 250,715.64

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Solution

The fourth proportional to 451,919.64, 623,645.82 and 250,715.64 is: 345,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,919.64 : 623,645.82 = 250,715.64 : x
  2. Step 2: Convert to fraction form
    451,919.64/623,645.82 = 250,715.64/x
  3. Step 3: Cross multiply
    451,919.64x = 623,645.82 × 250,715.64
  4. Step 4: Simplify right side
    451,919.64x = 156,357,760,894.63
  5. Step 5: Solve for x
    x = 156,357,760,894.63/451,919.64
  6. Step 6: Final answer
    x = 345,985.76

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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.