Home / 1,168,138.72-1,751,943.84-536,445.28

Finding the Fourth Proportional to 1,168,138.72, 1,751,943.84 and 536,445.28

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Solution

The fourth proportional to 1,168,138.72, 1,751,943.84 and 536,445.28 is: 804,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,138.72 : 1,751,943.84 = 536,445.28 : x
  2. Step 2: Convert to fraction form
    1,168,138.72/1,751,943.84 = 536,445.28/x
  3. Step 3: Cross multiply
    1,168,138.72x = 1,751,943.84 × 536,445.28
  4. Step 4: Simplify right side
    1,168,138.72x = 939,822,003,793.08
  5. Step 5: Solve for x
    x = 939,822,003,793.08/1,168,138.72
  6. Step 6: Final answer
    x = 804,546.57

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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.