Home / 1,213,936.20-1,675,232.02-670,072.12

Finding the Fourth Proportional to 1,213,936.20, 1,675,232.02 and 670,072.12

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Solution

The fourth proportional to 1,213,936.20, 1,675,232.02 and 670,072.12 is: 924,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,936.20 : 1,675,232.02 = 670,072.12 : x
  2. Step 2: Convert to fraction form
    1,213,936.20/1,675,232.02 = 670,072.12/x
  3. Step 3: Cross multiply
    1,213,936.20x = 1,675,232.02 × 670,072.12
  4. Step 4: Simplify right side
    1,213,936.20x = 1,122,526,271,133.28
  5. Step 5: Solve for x
    x = 1,122,526,271,133.28/1,213,936.20
  6. Step 6: Final answer
    x = 924,699.56

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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.