Home / 545,899.75-753,331.47-304,177.16

Finding the Fourth Proportional to 545,899.75, 753,331.47 and 304,177.16

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Solution

The fourth proportional to 545,899.75, 753,331.47 and 304,177.16 is: 419,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,899.75 : 753,331.47 = 304,177.16 : x
  2. Step 2: Convert to fraction form
    545,899.75/753,331.47 = 304,177.16/x
  3. Step 3: Cross multiply
    545,899.75x = 753,331.47 × 304,177.16
  4. Step 4: Simplify right side
    545,899.75x = 229,146,227,083.23
  5. Step 5: Solve for x
    x = 229,146,227,083.23/545,899.75
  6. Step 6: Final answer
    x = 419,758.81

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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.