Home / 1,396,291.20-1,927,038.27-845,310.61

Finding the Fourth Proportional to 1,396,291.20, 1,927,038.27 and 845,310.61

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Solution

The fourth proportional to 1,396,291.20, 1,927,038.27 and 845,310.61 is: 1,166,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,291.20 : 1,927,038.27 = 845,310.61 : x
  2. Step 2: Convert to fraction form
    1,396,291.20/1,927,038.27 = 845,310.61/x
  3. Step 3: Cross multiply
    1,396,291.20x = 1,927,038.27 × 845,310.61
  4. Step 4: Simplify right side
    1,396,291.20x = 1,628,945,881,645.30
  5. Step 5: Solve for x
    x = 1,628,945,881,645.30/1,396,291.20
  6. Step 6: Final answer
    x = 1,166,623.32

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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.