Home / 1,025,686.90-1,538,596.01-394,600.71

Finding the Fourth Proportional to 1,025,686.90, 1,538,596.01 and 394,600.71

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Solution

The fourth proportional to 1,025,686.90, 1,538,596.01 and 394,600.71 is: 591,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,686.90 : 1,538,596.01 = 394,600.71 : x
  2. Step 2: Convert to fraction form
    1,025,686.90/1,538,596.01 = 394,600.71/x
  3. Step 3: Cross multiply
    1,025,686.90x = 1,538,596.01 × 394,600.71
  4. Step 4: Simplify right side
    1,025,686.90x = 607,131,084,705.40
  5. Step 5: Solve for x
    x = 607,131,084,705.40/1,025,686.90
  6. Step 6: Final answer
    x = 591,926.33

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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.