Home / 626,686.40-940,148.64-206,083.52

Finding the Fourth Proportional to 626,686.40, 940,148.64 and 206,083.52

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Solution

The fourth proportional to 626,686.40, 940,148.64 and 206,083.52 is: 309,164.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,686.40 : 940,148.64 = 206,083.52 : x
  2. Step 2: Convert to fraction form
    626,686.40/940,148.64 = 206,083.52/x
  3. Step 3: Cross multiply
    626,686.40x = 940,148.64 × 206,083.52
  4. Step 4: Simplify right side
    626,686.40x = 193,749,141,054.41
  5. Step 5: Solve for x
    x = 193,749,141,054.41/626,686.40
  6. Step 6: Final answer
    x = 309,164.43

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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.