Home / 456,197.60-629,508.28-252,220.61

Finding the Fourth Proportional to 456,197.60, 629,508.28 and 252,220.61

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Solution

The fourth proportional to 456,197.60, 629,508.28 and 252,220.61 is: 348,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,197.60 : 629,508.28 = 252,220.61 : x
  2. Step 2: Convert to fraction form
    456,197.60/629,508.28 = 252,220.61/x
  3. Step 3: Cross multiply
    456,197.60x = 629,508.28 × 252,220.61
  4. Step 4: Simplify right side
    456,197.60x = 158,774,958,603.56
  5. Step 5: Solve for x
    x = 158,774,958,603.56/456,197.60
  6. Step 6: Final answer
    x = 348,039.89

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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.