Home / 1,676,718.39-2,313,871.74-912,771.75

Finding the Fourth Proportional to 1,676,718.39, 2,313,871.74 and 912,771.75

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Solution

The fourth proportional to 1,676,718.39, 2,313,871.74 and 912,771.75 is: 1,259,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,718.39 : 2,313,871.74 = 912,771.75 : x
  2. Step 2: Convert to fraction form
    1,676,718.39/2,313,871.74 = 912,771.75/x
  3. Step 3: Cross multiply
    1,676,718.39x = 2,313,871.74 × 912,771.75
  4. Step 4: Simplify right side
    1,676,718.39x = 2,112,036,757,395.35
  5. Step 5: Solve for x
    x = 2,112,036,757,395.35/1,676,718.39
  6. Step 6: Final answer
    x = 1,259,625.21

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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.