Home / 545,890.66-753,318.93-304,168.03

Finding the Fourth Proportional to 545,890.66, 753,318.93 and 304,168.03

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Solution

The fourth proportional to 545,890.66, 753,318.93 and 304,168.03 is: 419,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,890.66 : 753,318.93 = 304,168.03 : x
  2. Step 2: Convert to fraction form
    545,890.66/753,318.93 = 304,168.03/x
  3. Step 3: Cross multiply
    545,890.66x = 753,318.93 × 304,168.03
  4. Step 4: Simplify right side
    545,890.66x = 229,135,534,157.14
  5. Step 5: Solve for x
    x = 229,135,534,157.14/545,890.66
  6. Step 6: Final answer
    x = 419,746.21

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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.