Home / 1,617,984.30-2,233,262.43-939,139.50

Finding the Fourth Proportional to 1,617,984.30, 2,233,262.43 and 939,139.50

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Solution

The fourth proportional to 1,617,984.30, 2,233,262.43 and 939,139.50 is: 1,296,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,984.30 : 2,233,262.43 = 939,139.50 : x
  2. Step 2: Convert to fraction form
    1,617,984.30/2,233,262.43 = 939,139.50/x
  3. Step 3: Cross multiply
    1,617,984.30x = 2,233,262.43 × 939,139.50
  4. Step 4: Simplify right side
    1,617,984.30x = 2,097,344,961,878.99
  5. Step 5: Solve for x
    x = 2,097,344,961,878.99/1,617,984.30
  6. Step 6: Final answer
    x = 1,296,270.28

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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.