Home / 1,055,405.15-1,456,615.43-668,256.54

Finding the Fourth Proportional to 1,055,405.15, 1,456,615.43 and 668,256.54

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Solution

The fourth proportional to 1,055,405.15, 1,456,615.43 and 668,256.54 is: 922,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,405.15 : 1,456,615.43 = 668,256.54 : x
  2. Step 2: Convert to fraction form
    1,055,405.15/1,456,615.43 = 668,256.54/x
  3. Step 3: Cross multiply
    1,055,405.15x = 1,456,615.43 × 668,256.54
  4. Step 4: Simplify right side
    1,055,405.15x = 973,392,784,021.13
  5. Step 5: Solve for x
    x = 973,392,784,021.13/1,055,405.15
  6. Step 6: Final answer
    x = 922,293.01

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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.