Home / 1,728,390.66-2,385,179.31-954,021.76

Finding the Fourth Proportional to 1,728,390.66, 2,385,179.31 and 954,021.76

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Solution

The fourth proportional to 1,728,390.66, 2,385,179.31 and 954,021.76 is: 1,316,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,390.66 : 2,385,179.31 = 954,021.76 : x
  2. Step 2: Convert to fraction form
    1,728,390.66/2,385,179.31 = 954,021.76/x
  3. Step 3: Cross multiply
    1,728,390.66x = 2,385,179.31 × 954,021.76
  4. Step 4: Simplify right side
    1,728,390.66x = 2,275,512,964,881.45
  5. Step 5: Solve for x
    x = 2,275,512,964,881.45/1,728,390.66
  6. Step 6: Final answer
    x = 1,316,550.14

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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.