Home / 1,787,968.69-2,683,638.59-651,829

Finding the Fourth Proportional to 1,787,968.69, 2,683,638.59 and 651,829

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Solution

The fourth proportional to 1,787,968.69, 2,683,638.59 and 651,829 is: 978,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,968.69 : 2,683,638.59 = 651,829 : x
  2. Step 2: Convert to fraction form
    1,787,968.69/2,683,638.59 = 651,829/x
  3. Step 3: Cross multiply
    1,787,968.69x = 2,683,638.59 × 651,829
  4. Step 4: Simplify right side
    1,787,968.69x = 1,749,273,458,481.11
  5. Step 5: Solve for x
    x = 1,749,273,458,481.11/1,787,968.69
  6. Step 6: Final answer
    x = 978,357.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.