Home / 1,091,963.80-1,638,178.92-382,015

Finding the Fourth Proportional to 1,091,963.80, 1,638,178.92 and 382,015

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Solution

The fourth proportional to 1,091,963.80, 1,638,178.92 and 382,015 is: 573,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,963.80 : 1,638,178.92 = 382,015 : x
  2. Step 2: Convert to fraction form
    1,091,963.80/1,638,178.92 = 382,015/x
  3. Step 3: Cross multiply
    1,091,963.80x = 1,638,178.92 × 382,015
  4. Step 4: Simplify right side
    1,091,963.80x = 625,808,920,123.80
  5. Step 5: Solve for x
    x = 625,808,920,123.80/1,091,963.80
  6. Step 6: Final answer
    x = 573,104.09

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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.