Home / 1,691,880.17-2,334,812.69-917,512.43

Finding the Fourth Proportional to 1,691,880.17, 2,334,812.69 and 917,512.43

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Solution

The fourth proportional to 1,691,880.17, 2,334,812.69 and 917,512.43 is: 1,266,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,880.17 : 2,334,812.69 = 917,512.43 : x
  2. Step 2: Convert to fraction form
    1,691,880.17/2,334,812.69 = 917,512.43/x
  3. Step 3: Cross multiply
    1,691,880.17x = 2,334,812.69 × 917,512.43
  4. Step 4: Simplify right side
    1,691,880.17x = 2,142,219,664,796.74
  5. Step 5: Solve for x
    x = 2,142,219,664,796.74/1,691,880.17
  6. Step 6: Final answer
    x = 1,266,176.94

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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.