Home / 559,708.04-772,405.86-305,058.92

Finding the Fourth Proportional to 559,708.04, 772,405.86 and 305,058.92

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Solution

The fourth proportional to 559,708.04, 772,405.86 and 305,058.92 is: 420,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,708.04 : 772,405.86 = 305,058.92 : x
  2. Step 2: Convert to fraction form
    559,708.04/772,405.86 = 305,058.92/x
  3. Step 3: Cross multiply
    559,708.04x = 772,405.86 × 305,058.92
  4. Step 4: Simplify right side
    559,708.04x = 235,629,297,453.27
  5. Step 5: Solve for x
    x = 235,629,297,453.27/559,708.04
  6. Step 6: Final answer
    x = 420,986.09

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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.