Home / 468,937.08-647,280.32-299,171.07

Finding the Fourth Proportional to 468,937.08, 647,280.32 and 299,171.07

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Solution

The fourth proportional to 468,937.08, 647,280.32 and 299,171.07 is: 412,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,937.08 : 647,280.32 = 299,171.07 : x
  2. Step 2: Convert to fraction form
    468,937.08/647,280.32 = 299,171.07/x
  3. Step 3: Cross multiply
    468,937.08x = 647,280.32 × 299,171.07
  4. Step 4: Simplify right side
    468,937.08x = 193,647,544,428.49
  5. Step 5: Solve for x
    x = 193,647,544,428.49/468,937.08
  6. Step 6: Final answer
    x = 412,949.95

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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.