Home / 1,678,016.84-2,315,651.40-914,070.42

Finding the Fourth Proportional to 1,678,016.84, 2,315,651.40 and 914,070.42

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Solution

The fourth proportional to 1,678,016.84, 2,315,651.40 and 914,070.42 is: 1,261,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,016.84 : 2,315,651.40 = 914,070.42 : x
  2. Step 2: Convert to fraction form
    1,678,016.84/2,315,651.40 = 914,070.42/x
  3. Step 3: Cross multiply
    1,678,016.84x = 2,315,651.40 × 914,070.42
  4. Step 4: Simplify right side
    1,678,016.84x = 2,116,668,447,771.59
  5. Step 5: Solve for x
    x = 2,116,668,447,771.59/1,678,016.84
  6. Step 6: Final answer
    x = 1,261,410.73

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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.