Home / 1,968,663.63-2,953,241.69-770,431.17

Finding the Fourth Proportional to 1,968,663.63, 2,953,241.69 and 770,431.17

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Solution

The fourth proportional to 1,968,663.63, 2,953,241.69 and 770,431.17 is: 1,155,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,663.63 : 2,953,241.69 = 770,431.17 : x
  2. Step 2: Convert to fraction form
    1,968,663.63/2,953,241.69 = 770,431.17/x
  3. Step 3: Cross multiply
    1,968,663.63x = 2,953,241.69 × 770,431.17
  4. Step 4: Simplify right side
    1,968,663.63x = 2,275,269,446,667.32
  5. Step 5: Solve for x
    x = 2,275,269,446,667.32/1,968,663.63
  6. Step 6: Final answer
    x = 1,155,743.12

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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.