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Finding the Fourth Proportional to 1,892,703.99, 2,611,918.22 and 1,033,264.25

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Solution

The fourth proportional to 1,892,703.99, 2,611,918.22 and 1,033,264.25 is: 1,425,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,703.99 : 2,611,918.22 = 1,033,264.25 : x
  2. Step 2: Convert to fraction form
    1,892,703.99/2,611,918.22 = 1,033,264.25/x
  3. Step 3: Cross multiply
    1,892,703.99x = 2,611,918.22 × 1,033,264.25
  4. Step 4: Simplify right side
    1,892,703.99x = 2,698,801,729,762.59
  5. Step 5: Solve for x
    x = 2,698,801,729,762.59/1,892,703.99
  6. Step 6: Final answer
    x = 1,425,897.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.