Home / 1,234,999.80-1,852,635.96-393,357.96

Finding the Fourth Proportional to 1,234,999.80, 1,852,635.96 and 393,357.96

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Solution

The fourth proportional to 1,234,999.80, 1,852,635.96 and 393,357.96 is: 590,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,999.80 : 1,852,635.96 = 393,357.96 : x
  2. Step 2: Convert to fraction form
    1,234,999.80/1,852,635.96 = 393,357.96/x
  3. Step 3: Cross multiply
    1,234,999.80x = 1,852,635.96 × 393,357.96
  4. Step 4: Simplify right side
    1,234,999.80x = 728,749,101,848.24
  5. Step 5: Solve for x
    x = 728,749,101,848.24/1,234,999.80
  6. Step 6: Final answer
    x = 590,080.34

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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.