Home / 1,333,974.83-1,840,878.51-722,128.79

Finding the Fourth Proportional to 1,333,974.83, 1,840,878.51 and 722,128.79

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Solution

The fourth proportional to 1,333,974.83, 1,840,878.51 and 722,128.79 is: 996,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,974.83 : 1,840,878.51 = 722,128.79 : x
  2. Step 2: Convert to fraction form
    1,333,974.83/1,840,878.51 = 722,128.79/x
  3. Step 3: Cross multiply
    1,333,974.83x = 1,840,878.51 × 722,128.79
  4. Step 4: Simplify right side
    1,333,974.83x = 1,329,351,370,963.30
  5. Step 5: Solve for x
    x = 1,329,351,370,963.30/1,333,974.83
  6. Step 6: Final answer
    x = 996,534.07

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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.