Home / 336,511.72-463,441.26-329,163.40

Finding the Fourth Proportional to 336,511.72, 463,441.26 and 329,163.40

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Solution

The fourth proportional to 336,511.72, 463,441.26 and 329,163.40 is: 453,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,511.72 : 463,441.26 = 329,163.40 : x
  2. Step 2: Convert to fraction form
    336,511.72/463,441.26 = 329,163.40/x
  3. Step 3: Cross multiply
    336,511.72x = 463,441.26 × 329,163.40
  4. Step 4: Simplify right side
    336,511.72x = 152,547,900,841.88
  5. Step 5: Solve for x
    x = 152,547,900,841.88/336,511.72
  6. Step 6: Final answer
    x = 453,321.21

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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.