Home / 1,383,337.10-1,909,151.98-810,858.26

Finding the Fourth Proportional to 1,383,337.10, 1,909,151.98 and 810,858.26

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Solution

The fourth proportional to 1,383,337.10, 1,909,151.98 and 810,858.26 is: 1,119,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,337.10 : 1,909,151.98 = 810,858.26 : x
  2. Step 2: Convert to fraction form
    1,383,337.10/1,909,151.98 = 810,858.26/x
  3. Step 3: Cross multiply
    1,383,337.10x = 1,909,151.98 × 810,858.26
  4. Step 4: Simplify right side
    1,383,337.10x = 1,548,051,652,578.35
  5. Step 5: Solve for x
    x = 1,548,051,652,578.35/1,383,337.10
  6. Step 6: Final answer
    x = 1,119,070.44

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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.