Home / 1,293,043.83-1,939,869.03-394,485.24

Finding the Fourth Proportional to 1,293,043.83, 1,939,869.03 and 394,485.24

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Solution

The fourth proportional to 1,293,043.83, 1,939,869.03 and 394,485.24 is: 591,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,043.83 : 1,939,869.03 = 394,485.24 : x
  2. Step 2: Convert to fraction form
    1,293,043.83/1,939,869.03 = 394,485.24/x
  3. Step 3: Cross multiply
    1,293,043.83x = 1,939,869.03 × 394,485.24
  4. Step 4: Simplify right side
    1,293,043.83x = 765,249,699,868.12
  5. Step 5: Solve for x
    x = 765,249,699,868.12/1,293,043.83
  6. Step 6: Final answer
    x = 591,820.39

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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.