Home / 1,328,877.80-1,993,316.70-1,185,108.20

Finding the Fourth Proportional to 1,328,877.80, 1,993,316.70 and 1,185,108.20

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Solution

The fourth proportional to 1,328,877.80, 1,993,316.70 and 1,185,108.20 is: 1,777,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,877.80 : 1,993,316.70 = 1,185,108.20 : x
  2. Step 2: Convert to fraction form
    1,328,877.80/1,993,316.70 = 1,185,108.20/x
  3. Step 3: Cross multiply
    1,328,877.80x = 1,993,316.70 × 1,185,108.20
  4. Step 4: Simplify right side
    1,328,877.80x = 2,362,295,966,366.94
  5. Step 5: Solve for x
    x = 2,362,295,966,366.94/1,328,877.80
  6. Step 6: Final answer
    x = 1,777,662.30

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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.