Home / 1,421,093.97-1,961,123.40-776,514.06

Finding the Fourth Proportional to 1,421,093.97, 1,961,123.40 and 776,514.06

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Solution

The fourth proportional to 1,421,093.97, 1,961,123.40 and 776,514.06 is: 1,071,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,093.97 : 1,961,123.40 = 776,514.06 : x
  2. Step 2: Convert to fraction form
    1,421,093.97/1,961,123.40 = 776,514.06/x
  3. Step 3: Cross multiply
    1,421,093.97x = 1,961,123.40 × 776,514.06
  4. Step 4: Simplify right side
    1,421,093.97x = 1,522,839,893,495.00
  5. Step 5: Solve for x
    x = 1,522,839,893,495.00/1,421,093.97
  6. Step 6: Final answer
    x = 1,071,596.90

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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.