Home / 823,976.04-1,235,653.02-380,433

Finding the Fourth Proportional to 823,976.04, 1,235,653.02 and 380,433

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Solution

The fourth proportional to 823,976.04, 1,235,653.02 and 380,433 is: 570,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,976.04 : 1,235,653.02 = 380,433 : x
  2. Step 2: Convert to fraction form
    823,976.04/1,235,653.02 = 380,433/x
  3. Step 3: Cross multiply
    823,976.04x = 1,235,653.02 × 380,433
  4. Step 4: Simplify right side
    823,976.04x = 470,083,185,357.66
  5. Step 5: Solve for x
    x = 470,083,185,357.66/823,976.04
  6. Step 6: Final answer
    x = 570,505.89

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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.