Home / 545,918.50-753,390.84-304,201.36

Finding the Fourth Proportional to 545,918.50, 753,390.84 and 304,201.36

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Solution

The fourth proportional to 545,918.50, 753,390.84 and 304,201.36 is: 419,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,918.50 : 753,390.84 = 304,201.36 : x
  2. Step 2: Convert to fraction form
    545,918.50/753,390.84 = 304,201.36/x
  3. Step 3: Cross multiply
    545,918.50x = 753,390.84 × 304,201.36
  4. Step 4: Simplify right side
    545,918.50x = 229,182,518,139.54
  5. Step 5: Solve for x
    x = 229,182,518,139.54/545,918.50
  6. Step 6: Final answer
    x = 419,810.87

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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.