Home / 456,226.08-629,615.92-274,995.60

Finding the Fourth Proportional to 456,226.08, 629,615.92 and 274,995.60

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Solution

The fourth proportional to 456,226.08, 629,615.92 and 274,995.60 is: 379,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,226.08 : 629,615.92 = 274,995.60 : x
  2. Step 2: Convert to fraction form
    456,226.08/629,615.92 = 274,995.60/x
  3. Step 3: Cross multiply
    456,226.08x = 629,615.92 × 274,995.60
  4. Step 4: Simplify right side
    456,226.08x = 173,141,607,689.95
  5. Step 5: Solve for x
    x = 173,141,607,689.95/456,226.08
  6. Step 6: Final answer
    x = 379,508.35

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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.