Home / 1,396,268.19-1,927,006.13-845,287.50

Finding the Fourth Proportional to 1,396,268.19, 1,927,006.13 and 845,287.50

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Solution

The fourth proportional to 1,396,268.19, 1,927,006.13 and 845,287.50 is: 1,166,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,268.19 : 1,927,006.13 = 845,287.50 : x
  2. Step 2: Convert to fraction form
    1,396,268.19/1,927,006.13 = 845,287.50/x
  3. Step 3: Cross multiply
    1,396,268.19x = 1,927,006.13 × 845,287.50
  4. Step 4: Simplify right side
    1,396,268.19x = 1,628,874,194,112.38
  5. Step 5: Solve for x
    x = 1,628,874,194,112.38/1,396,268.19
  6. Step 6: Final answer
    x = 1,166,591.21

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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.