Home / 1,676,618.88-2,313,734.32-912,678.18

Finding the Fourth Proportional to 1,676,618.88, 2,313,734.32 and 912,678.18

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Solution

The fourth proportional to 1,676,618.88, 2,313,734.32 and 912,678.18 is: 1,259,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,618.88 : 2,313,734.32 = 912,678.18 : x
  2. Step 2: Convert to fraction form
    1,676,618.88/2,313,734.32 = 912,678.18/x
  3. Step 3: Cross multiply
    1,676,618.88x = 2,313,734.32 × 912,678.18
  4. Step 4: Simplify right side
    1,676,618.88x = 2,111,694,828,181.14
  5. Step 5: Solve for x
    x = 2,111,694,828,181.14/1,676,618.88
  6. Step 6: Final answer
    x = 1,259,496.03

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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.