Home / 456,370.74-629,789.58-255,166.74

Finding the Fourth Proportional to 456,370.74, 629,789.58 and 255,166.74

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Solution

The fourth proportional to 456,370.74, 629,789.58 and 255,166.74 is: 352,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,370.74 : 629,789.58 = 255,166.74 : x
  2. Step 2: Convert to fraction form
    456,370.74/629,789.58 = 255,166.74/x
  3. Step 3: Cross multiply
    456,370.74x = 629,789.58 × 255,166.74
  4. Step 4: Simplify right side
    456,370.74x = 160,701,354,014.57
  5. Step 5: Solve for x
    x = 160,701,354,014.57/456,370.74
  6. Step 6: Final answer
    x = 352,128.96

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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.