Home / 550,003.80-823,623.30-439,411.80

Finding the Fourth Proportional to 550,003.80, 823,623.30 and 439,411.80

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Solution

The fourth proportional to 550,003.80, 823,623.30 and 439,411.80 is: 658,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,003.80 : 823,623.30 = 439,411.80 : x
  2. Step 2: Convert to fraction form
    550,003.80/823,623.30 = 439,411.80/x
  3. Step 3: Cross multiply
    550,003.80x = 823,623.30 × 439,411.80
  4. Step 4: Simplify right side
    550,003.80x = 361,909,796,774.94
  5. Step 5: Solve for x
    x = 361,909,796,774.94/550,003.80
  6. Step 6: Final answer
    x = 658,013.27

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1.5x scale

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.