Home / 1,432,168.35-1,975,832.94-819,993.93

Finding the Fourth Proportional to 1,432,168.35, 1,975,832.94 and 819,993.93

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Solution

The fourth proportional to 1,432,168.35, 1,975,832.94 and 819,993.93 is: 1,131,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,168.35 : 1,975,832.94 = 819,993.93 : x
  2. Step 2: Convert to fraction form
    1,432,168.35/1,975,832.94 = 819,993.93/x
  3. Step 3: Cross multiply
    1,432,168.35x = 1,975,832.94 × 819,993.93
  4. Step 4: Simplify right side
    1,432,168.35x = 1,620,171,017,494.05
  5. Step 5: Solve for x
    x = 1,620,171,017,494.05/1,432,168.35
  6. Step 6: Final answer
    x = 1,131,271.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.