Home / 439,726.16-659,146.08-173,383.76

Finding the Fourth Proportional to 439,726.16, 659,146.08 and 173,383.76

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Solution

The fourth proportional to 439,726.16, 659,146.08 and 173,383.76 is: 259,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,726.16 : 659,146.08 = 173,383.76 : x
  2. Step 2: Convert to fraction form
    439,726.16/659,146.08 = 173,383.76/x
  3. Step 3: Cross multiply
    439,726.16x = 659,146.08 × 173,383.76
  4. Step 4: Simplify right side
    439,726.16x = 114,285,225,739.66
  5. Step 5: Solve for x
    x = 114,285,225,739.66/439,726.16
  6. Step 6: Final answer
    x = 259,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.