Home / 1,676,540.88-2,313,678.60-912,645.36

Finding the Fourth Proportional to 1,676,540.88, 2,313,678.60 and 912,645.36

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Solution

The fourth proportional to 1,676,540.88, 2,313,678.60 and 912,645.36 is: 1,259,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,540.88 : 2,313,678.60 = 912,645.36 : x
  2. Step 2: Convert to fraction form
    1,676,540.88/2,313,678.60 = 912,645.36/x
  3. Step 3: Cross multiply
    1,676,540.88x = 2,313,678.60 × 912,645.36
  4. Step 4: Simplify right side
    1,676,540.88x = 2,111,568,038,821.30
  5. Step 5: Solve for x
    x = 2,111,568,038,821.30/1,676,540.88
  6. Step 6: Final answer
    x = 1,259,479.00

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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.