Home / 351,005.40-524,972.10-313,834.20

Finding the Fourth Proportional to 351,005.40, 524,972.10 and 313,834.20

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Solution

The fourth proportional to 351,005.40, 524,972.10 and 313,834.20 is: 469,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,005.40 : 524,972.10 = 313,834.20 : x
  2. Step 2: Convert to fraction form
    351,005.40/524,972.10 = 313,834.20/x
  3. Step 3: Cross multiply
    351,005.40x = 524,972.10 × 313,834.20
  4. Step 4: Simplify right side
    351,005.40x = 164,754,199,025.82
  5. Step 5: Solve for x
    x = 164,754,199,025.82/351,005.40
  6. Step 6: Final answer
    x = 469,377.96

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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.