Home / 1,233,981.12-1,851,012.63-424,357.54

Finding the Fourth Proportional to 1,233,981.12, 1,851,012.63 and 424,357.54

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Solution

The fourth proportional to 1,233,981.12, 1,851,012.63 and 424,357.54 is: 636,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,981.12 : 1,851,012.63 = 424,357.54 : x
  2. Step 2: Convert to fraction form
    1,233,981.12/1,851,012.63 = 424,357.54/x
  3. Step 3: Cross multiply
    1,233,981.12x = 1,851,012.63 × 424,357.54
  4. Step 4: Simplify right side
    1,233,981.12x = 785,491,166,175.73
  5. Step 5: Solve for x
    x = 785,491,166,175.73/1,233,981.12
  6. Step 6: Final answer
    x = 636,550.39

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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.