Home / 379,025.45-522,370.05-314,153.04

Finding the Fourth Proportional to 379,025.45, 522,370.05 and 314,153.04

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Solution

The fourth proportional to 379,025.45, 522,370.05 and 314,153.04 is: 432,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,025.45 : 522,370.05 = 314,153.04 : x
  2. Step 2: Convert to fraction form
    379,025.45/522,370.05 = 314,153.04/x
  3. Step 3: Cross multiply
    379,025.45x = 522,370.05 × 314,153.04
  4. Step 4: Simplify right side
    379,025.45x = 164,104,141,760.38
  5. Step 5: Solve for x
    x = 164,104,141,760.38/379,025.45
  6. Step 6: Final answer
    x = 432,963.39

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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.