Home / 1,560,863.09-2,153,999.70-872,563.97

Finding the Fourth Proportional to 1,560,863.09, 2,153,999.70 and 872,563.97

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Solution

The fourth proportional to 1,560,863.09, 2,153,999.70 and 872,563.97 is: 1,204,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,863.09 : 2,153,999.70 = 872,563.97 : x
  2. Step 2: Convert to fraction form
    1,560,863.09/2,153,999.70 = 872,563.97/x
  3. Step 3: Cross multiply
    1,560,863.09x = 2,153,999.70 × 872,563.97
  4. Step 4: Simplify right side
    1,560,863.09x = 1,879,502,518,840.81
  5. Step 5: Solve for x
    x = 1,879,502,518,840.81/1,560,863.09
  6. Step 6: Final answer
    x = 1,204,143.10

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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.