Home / 526,949.06-727,203.80-320,147.06

Finding the Fourth Proportional to 526,949.06, 727,203.80 and 320,147.06

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Solution

The fourth proportional to 526,949.06, 727,203.80 and 320,147.06 is: 441,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,949.06 : 727,203.80 = 320,147.06 : x
  2. Step 2: Convert to fraction form
    526,949.06/727,203.80 = 320,147.06/x
  3. Step 3: Cross multiply
    526,949.06x = 727,203.80 × 320,147.06
  4. Step 4: Simplify right side
    526,949.06x = 232,812,155,755.18
  5. Step 5: Solve for x
    x = 232,812,155,755.18/526,949.06
  6. Step 6: Final answer
    x = 441,811.51

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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.