Home / 1,638,257.64-2,260,806.03-913,151.33

Finding the Fourth Proportional to 1,638,257.64, 2,260,806.03 and 913,151.33

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Solution

The fourth proportional to 1,638,257.64, 2,260,806.03 and 913,151.33 is: 1,260,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,257.64 : 2,260,806.03 = 913,151.33 : x
  2. Step 2: Convert to fraction form
    1,638,257.64/2,260,806.03 = 913,151.33/x
  3. Step 3: Cross multiply
    1,638,257.64x = 2,260,806.03 × 913,151.33
  4. Step 4: Simplify right side
    1,638,257.64x = 2,064,458,030,340.51
  5. Step 5: Solve for x
    x = 2,064,458,030,340.51/1,638,257.64
  6. Step 6: Final answer
    x = 1,260,154.68

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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.