Home / 1,418,896.50-1,958,118.45-774,358.23

Finding the Fourth Proportional to 1,418,896.50, 1,958,118.45 and 774,358.23

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Solution

The fourth proportional to 1,418,896.50, 1,958,118.45 and 774,358.23 is: 1,068,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,896.50 : 1,958,118.45 = 774,358.23 : x
  2. Step 2: Convert to fraction form
    1,418,896.50/1,958,118.45 = 774,358.23/x
  3. Step 3: Cross multiply
    1,418,896.50x = 1,958,118.45 × 774,358.23
  4. Step 4: Simplify right side
    1,418,896.50x = 1,516,285,137,072.34
  5. Step 5: Solve for x
    x = 1,516,285,137,072.34/1,418,896.50
  6. Step 6: Final answer
    x = 1,068,636.89

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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.