Home / 1,005,933.58-1,391,843.74-877,140.62

Finding the Fourth Proportional to 1,005,933.58, 1,391,843.74 and 877,140.62

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Solution

The fourth proportional to 1,005,933.58, 1,391,843.74 and 877,140.62 is: 1,213,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,933.58 : 1,391,843.74 = 877,140.62 : x
  2. Step 2: Convert to fraction form
    1,005,933.58/1,391,843.74 = 877,140.62/x
  3. Step 3: Cross multiply
    1,005,933.58x = 1,391,843.74 × 877,140.62
  4. Step 4: Simplify right side
    1,005,933.58x = 1,220,842,681,046.72
  5. Step 5: Solve for x
    x = 1,220,842,681,046.72/1,005,933.58
  6. Step 6: Final answer
    x = 1,213,641.44

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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.