Home / 1,175,809.82-1,622,911.48-722,838.38

Finding the Fourth Proportional to 1,175,809.82, 1,622,911.48 and 722,838.38

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Solution

The fourth proportional to 1,175,809.82, 1,622,911.48 and 722,838.38 is: 997,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,809.82 : 1,622,911.48 = 722,838.38 : x
  2. Step 2: Convert to fraction form
    1,175,809.82/1,622,911.48 = 722,838.38/x
  3. Step 3: Cross multiply
    1,175,809.82x = 1,622,911.48 × 722,838.38
  4. Step 4: Simplify right side
    1,175,809.82x = 1,173,102,695,164.95
  5. Step 5: Solve for x
    x = 1,173,102,695,164.95/1,175,809.82
  6. Step 6: Final answer
    x = 997,697.66

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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.