Home / 1,368,860.25-2,053,579.58-515,913.84

Finding the Fourth Proportional to 1,368,860.25, 2,053,579.58 and 515,913.84

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Solution

The fourth proportional to 1,368,860.25, 2,053,579.58 and 515,913.84 is: 773,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,860.25 : 2,053,579.58 = 515,913.84 : x
  2. Step 2: Convert to fraction form
    1,368,860.25/2,053,579.58 = 515,913.84/x
  3. Step 3: Cross multiply
    1,368,860.25x = 2,053,579.58 × 515,913.84
  4. Step 4: Simplify right side
    1,368,860.25x = 1,059,470,124,283.82
  5. Step 5: Solve for x
    x = 1,059,470,124,283.82/1,368,860.25
  6. Step 6: Final answer
    x = 773,979.76

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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.