Home / 346,717.90-520,076.85-325,722.70

Finding the Fourth Proportional to 346,717.90, 520,076.85 and 325,722.70

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Solution

The fourth proportional to 346,717.90, 520,076.85 and 325,722.70 is: 488,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,717.90 : 520,076.85 = 325,722.70 : x
  2. Step 2: Convert to fraction form
    346,717.90/520,076.85 = 325,722.70/x
  3. Step 3: Cross multiply
    346,717.90x = 520,076.85 × 325,722.70
  4. Step 4: Simplify right side
    346,717.90x = 169,400,835,789.50
  5. Step 5: Solve for x
    x = 169,400,835,789.50/346,717.90
  6. Step 6: Final answer
    x = 488,584.05

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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.