Home / 1,616,819.73-2,424,815.78-479,315.93

Finding the Fourth Proportional to 1,616,819.73, 2,424,815.78 and 479,315.93

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Solution

The fourth proportional to 1,616,819.73, 2,424,815.78 and 479,315.93 is: 718,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,819.73 : 2,424,815.78 = 479,315.93 : x
  2. Step 2: Convert to fraction form
    1,616,819.73/2,424,815.78 = 479,315.93/x
  3. Step 3: Cross multiply
    1,616,819.73x = 2,424,815.78 × 479,315.93
  4. Step 4: Simplify right side
    1,616,819.73x = 1,162,252,830,669.38
  5. Step 5: Solve for x
    x = 1,162,252,830,669.38/1,616,819.73
  6. Step 6: Final answer
    x = 718,851.22

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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.