Home / 1,168,065.35-1,611,930.49-644,776.27

Finding the Fourth Proportional to 1,168,065.35, 1,611,930.49 and 644,776.27

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Solution

The fourth proportional to 1,168,065.35, 1,611,930.49 and 644,776.27 is: 889,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,065.35 : 1,611,930.49 = 644,776.27 : x
  2. Step 2: Convert to fraction form
    1,168,065.35/1,611,930.49 = 644,776.27/x
  3. Step 3: Cross multiply
    1,168,065.35x = 1,611,930.49 × 644,776.27
  4. Step 4: Simplify right side
    1,168,065.35x = 1,039,334,528,841.47
  5. Step 5: Solve for x
    x = 1,039,334,528,841.47/1,168,065.35
  6. Step 6: Final answer
    x = 889,791.42

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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.