Home / 628,301.80-941,070.30-545,357.80

Finding the Fourth Proportional to 628,301.80, 941,070.30 and 545,357.80

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Solution

The fourth proportional to 628,301.80, 941,070.30 and 545,357.80 is: 816,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,301.80 : 941,070.30 = 545,357.80 : x
  2. Step 2: Convert to fraction form
    628,301.80/941,070.30 = 545,357.80/x
  3. Step 3: Cross multiply
    628,301.80x = 941,070.30 × 545,357.80
  4. Step 4: Simplify right side
    628,301.80x = 513,220,028,453.34
  5. Step 5: Solve for x
    x = 513,220,028,453.34/628,301.80
  6. Step 6: Final answer
    x = 816,836.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.