Home / 379,026.20-522,371.09-314,153.80

Finding the Fourth Proportional to 379,026.20, 522,371.09 and 314,153.80

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Solution

The fourth proportional to 379,026.20, 522,371.09 and 314,153.80 is: 432,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,026.20 : 522,371.09 = 314,153.80 : x
  2. Step 2: Convert to fraction form
    379,026.20/522,371.09 = 314,153.80/x
  3. Step 3: Cross multiply
    379,026.20x = 522,371.09 × 314,153.80
  4. Step 4: Simplify right side
    379,026.20x = 164,104,860,056.95
  5. Step 5: Solve for x
    x = 164,104,860,056.95/379,026.20
  6. Step 6: Final answer
    x = 432,964.42

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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.