Home / 1,091,999.04-1,638,129.78-1,032,279.36

Finding the Fourth Proportional to 1,091,999.04, 1,638,129.78 and 1,032,279.36

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Solution

The fourth proportional to 1,091,999.04, 1,638,129.78 and 1,032,279.36 is: 1,548,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,999.04 : 1,638,129.78 = 1,032,279.36 : x
  2. Step 2: Convert to fraction form
    1,091,999.04/1,638,129.78 = 1,032,279.36/x
  3. Step 3: Cross multiply
    1,091,999.04x = 1,638,129.78 × 1,032,279.36
  4. Step 4: Simplify right side
    1,091,999.04x = 1,691,007,560,895.34
  5. Step 5: Solve for x
    x = 1,691,007,560,895.34/1,091,999.04
  6. Step 6: Final answer
    x = 1,548,543.08

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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.