Home / 1,266,702.80-1,900,178.94-368,152.39

Finding the Fourth Proportional to 1,266,702.80, 1,900,178.94 and 368,152.39

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Solution

The fourth proportional to 1,266,702.80, 1,900,178.94 and 368,152.39 is: 552,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,702.80 : 1,900,178.94 = 368,152.39 : x
  2. Step 2: Convert to fraction form
    1,266,702.80/1,900,178.94 = 368,152.39/x
  3. Step 3: Cross multiply
    1,266,702.80x = 1,900,178.94 × 368,152.39
  4. Step 4: Simplify right side
    1,266,702.80x = 699,555,408,687.77
  5. Step 5: Solve for x
    x = 699,555,408,687.77/1,266,702.80
  6. Step 6: Final answer
    x = 552,264.83

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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.