Home / 1,335,410.40-1,842,863.73-723,579.69

Finding the Fourth Proportional to 1,335,410.40, 1,842,863.73 and 723,579.69

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Solution

The fourth proportional to 1,335,410.40, 1,842,863.73 and 723,579.69 is: 998,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,410.40 : 1,842,863.73 = 723,579.69 : x
  2. Step 2: Convert to fraction form
    1,335,410.40/1,842,863.73 = 723,579.69/x
  3. Step 3: Cross multiply
    1,335,410.40x = 1,842,863.73 × 723,579.69
  4. Step 4: Simplify right side
    1,335,410.40x = 1,333,458,766,465.64
  5. Step 5: Solve for x
    x = 1,333,458,766,465.64/1,335,410.40
  6. Step 6: Final answer
    x = 998,538.55

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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.