Home / 1,999,758.78-2,999,933.82-579,630.33

Finding the Fourth Proportional to 1,999,758.78, 2,999,933.82 and 579,630.33

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Solution

The fourth proportional to 1,999,758.78, 2,999,933.82 and 579,630.33 is: 869,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,758.78 : 2,999,933.82 = 579,630.33 : x
  2. Step 2: Convert to fraction form
    1,999,758.78/2,999,933.82 = 579,630.33/x
  3. Step 3: Cross multiply
    1,999,758.78x = 2,999,933.82 × 579,630.33
  4. Step 4: Simplify right side
    1,999,758.78x = 1,738,852,630,064.76
  5. Step 5: Solve for x
    x = 1,738,852,630,064.76/1,999,758.78
  6. Step 6: Final answer
    x = 869,531.19

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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.