Home / 446,142.16-615,789.84-255,215.44

Finding the Fourth Proportional to 446,142.16, 615,789.84 and 255,215.44

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Solution

The fourth proportional to 446,142.16, 615,789.84 and 255,215.44 is: 352,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,142.16 : 615,789.84 = 255,215.44 : x
  2. Step 2: Convert to fraction form
    446,142.16/615,789.84 = 255,215.44/x
  3. Step 3: Cross multiply
    446,142.16x = 615,789.84 × 255,215.44
  4. Step 4: Simplify right side
    446,142.16x = 157,159,074,963.13
  5. Step 5: Solve for x
    x = 157,159,074,963.13/446,142.16
  6. Step 6: Final answer
    x = 352,262.33

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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.