Home / 1,691,881.17-2,334,814.07-917,513.43

Finding the Fourth Proportional to 1,691,881.17, 2,334,814.07 and 917,513.43

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Solution

The fourth proportional to 1,691,881.17, 2,334,814.07 and 917,513.43 is: 1,266,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,881.17 : 2,334,814.07 = 917,513.43 : x
  2. Step 2: Convert to fraction form
    1,691,881.17/2,334,814.07 = 917,513.43/x
  3. Step 3: Cross multiply
    1,691,881.17x = 2,334,814.07 × 917,513.43
  4. Step 4: Simplify right side
    1,691,881.17x = 2,142,223,265,777.96
  5. Step 5: Solve for x
    x = 2,142,223,265,777.96/1,691,881.17
  6. Step 6: Final answer
    x = 1,266,178.32

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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.