Home / 1,242,805.43-1,715,055.21-698,941.05

Finding the Fourth Proportional to 1,242,805.43, 1,715,055.21 and 698,941.05

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Solution

The fourth proportional to 1,242,805.43, 1,715,055.21 and 698,941.05 is: 964,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,805.43 : 1,715,055.21 = 698,941.05 : x
  2. Step 2: Convert to fraction form
    1,242,805.43/1,715,055.21 = 698,941.05/x
  3. Step 3: Cross multiply
    1,242,805.43x = 1,715,055.21 × 698,941.05
  4. Step 4: Simplify right side
    1,242,805.43x = 1,198,722,489,285.37
  5. Step 5: Solve for x
    x = 1,198,722,489,285.37/1,242,805.43
  6. Step 6: Final answer
    x = 964,529.50

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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.