Home / 505,296.41-697,319.60-275,863.37

Finding the Fourth Proportional to 505,296.41, 697,319.60 and 275,863.37

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Solution

The fourth proportional to 505,296.41, 697,319.60 and 275,863.37 is: 380,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,296.41 : 697,319.60 = 275,863.37 : x
  2. Step 2: Convert to fraction form
    505,296.41/697,319.60 = 275,863.37/x
  3. Step 3: Cross multiply
    505,296.41x = 697,319.60 × 275,863.37
  4. Step 4: Simplify right side
    505,296.41x = 192,364,929,957.14
  5. Step 5: Solve for x
    x = 192,364,929,957.14/505,296.41
  6. Step 6: Final answer
    x = 380,697.21

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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.