Home / 1,091,998.04-1,638,128.28-1,032,278.36

Finding the Fourth Proportional to 1,091,998.04, 1,638,128.28 and 1,032,278.36

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Solution

The fourth proportional to 1,091,998.04, 1,638,128.28 and 1,032,278.36 is: 1,548,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,998.04 : 1,638,128.28 = 1,032,278.36 : x
  2. Step 2: Convert to fraction form
    1,091,998.04/1,638,128.28 = 1,032,278.36/x
  3. Step 3: Cross multiply
    1,091,998.04x = 1,638,128.28 × 1,032,278.36
  4. Step 4: Simplify right side
    1,091,998.04x = 1,691,004,374,348.02
  5. Step 5: Solve for x
    x = 1,691,004,374,348.02/1,091,998.04
  6. Step 6: Final answer
    x = 1,548,541.58

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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.