Home / 1,863,213.12-2,794,663.80-515,392.36

Finding the Fourth Proportional to 1,863,213.12, 2,794,663.80 and 515,392.36

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Solution

The fourth proportional to 1,863,213.12, 2,794,663.80 and 515,392.36 is: 773,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,213.12 : 2,794,663.80 = 515,392.36 : x
  2. Step 2: Convert to fraction form
    1,863,213.12/2,794,663.80 = 515,392.36/x
  3. Step 3: Cross multiply
    1,863,213.12x = 2,794,663.80 × 515,392.36
  4. Step 4: Simplify right side
    1,863,213.12x = 1,440,348,371,288.57
  5. Step 5: Solve for x
    x = 1,440,348,371,288.57/1,863,213.12
  6. Step 6: Final answer
    x = 773,045.42

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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.