Home / 1,205,470-1,663,626.36-668,926

Finding the Fourth Proportional to 1,205,470, 1,663,626.36 and 668,926

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Solution

The fourth proportional to 1,205,470, 1,663,626.36 and 668,926 is: 923,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,470 : 1,663,626.36 = 668,926 : x
  2. Step 2: Convert to fraction form
    1,205,470/1,663,626.36 = 668,926/x
  3. Step 3: Cross multiply
    1,205,470x = 1,663,626.36 × 668,926
  4. Step 4: Simplify right side
    1,205,470x = 1,112,842,926,489.36
  5. Step 5: Solve for x
    x = 1,112,842,926,489.36/1,205,470
  6. Step 6: Final answer
    x = 923,161.03

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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.