Home / 1,214,120.85-1,675,476.48-670,244.96

Finding the Fourth Proportional to 1,214,120.85, 1,675,476.48 and 670,244.96

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Solution

The fourth proportional to 1,214,120.85, 1,675,476.48 and 670,244.96 is: 924,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,120.85 : 1,675,476.48 = 670,244.96 : x
  2. Step 2: Convert to fraction form
    1,214,120.85/1,675,476.48 = 670,244.96/x
  3. Step 3: Cross multiply
    1,214,120.85x = 1,675,476.48 × 670,244.96
  4. Step 4: Simplify right side
    1,214,120.85x = 1,122,979,666,318.54
  5. Step 5: Solve for x
    x = 1,122,979,666,318.54/1,214,120.85
  6. Step 6: Final answer
    x = 924,932.36

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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.