Home / 1,422,586.40-2,133,879.60-1,026,010.40

Finding the Fourth Proportional to 1,422,586.40, 2,133,879.60 and 1,026,010.40

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Solution

The fourth proportional to 1,422,586.40, 2,133,879.60 and 1,026,010.40 is: 1,539,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,586.40 : 2,133,879.60 = 1,026,010.40 : x
  2. Step 2: Convert to fraction form
    1,422,586.40/2,133,879.60 = 1,026,010.40/x
  3. Step 3: Cross multiply
    1,422,586.40x = 2,133,879.60 × 1,026,010.40
  4. Step 4: Simplify right side
    1,422,586.40x = 2,189,382,661,947.84
  5. Step 5: Solve for x
    x = 2,189,382,661,947.84/1,422,586.40
  6. Step 6: Final answer
    x = 1,539,015.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.