Home / 1,719,840.78-2,579,819.40-457,669.62

Finding the Fourth Proportional to 1,719,840.78, 2,579,819.40 and 457,669.62

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Solution

The fourth proportional to 1,719,840.78, 2,579,819.40 and 457,669.62 is: 686,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,840.78 : 2,579,819.40 = 457,669.62 : x
  2. Step 2: Convert to fraction form
    1,719,840.78/2,579,819.40 = 457,669.62/x
  3. Step 3: Cross multiply
    1,719,840.78x = 2,579,819.40 × 457,669.62
  4. Step 4: Simplify right side
    1,719,840.78x = 1,180,704,964,466.63
  5. Step 5: Solve for x
    x = 1,180,704,964,466.63/1,719,840.78
  6. Step 6: Final answer
    x = 686,519.93

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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.