Home / 545,122.37-752,261.24-303,405.01

Finding the Fourth Proportional to 545,122.37, 752,261.24 and 303,405.01

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Solution

The fourth proportional to 545,122.37, 752,261.24 and 303,405.01 is: 418,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,122.37 : 752,261.24 = 303,405.01 : x
  2. Step 2: Convert to fraction form
    545,122.37/752,261.24 = 303,405.01/x
  3. Step 3: Cross multiply
    545,122.37x = 752,261.24 × 303,405.01
  4. Step 4: Simplify right side
    545,122.37x = 228,239,827,922.67
  5. Step 5: Solve for x
    x = 228,239,827,922.67/545,122.37
  6. Step 6: Final answer
    x = 418,694.66

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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.