Home / 456,470.18-629,947.39-252,517.58

Finding the Fourth Proportional to 456,470.18, 629,947.39 and 252,517.58

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Solution

The fourth proportional to 456,470.18, 629,947.39 and 252,517.58 is: 348,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,470.18 : 629,947.39 = 252,517.58 : x
  2. Step 2: Convert to fraction form
    456,470.18/629,947.39 = 252,517.58/x
  3. Step 3: Cross multiply
    456,470.18x = 629,947.39 × 252,517.58
  4. Step 4: Simplify right side
    456,470.18x = 159,072,790,450.12
  5. Step 5: Solve for x
    x = 159,072,790,450.12/456,470.18
  6. Step 6: Final answer
    x = 348,484.52

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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.