Home / 1,623,876.85-2,435,131.23-486,802.09

Finding the Fourth Proportional to 1,623,876.85, 2,435,131.23 and 486,802.09

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Solution

The fourth proportional to 1,623,876.85, 2,435,131.23 and 486,802.09 is: 729,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,876.85 : 2,435,131.23 = 486,802.09 : x
  2. Step 2: Convert to fraction form
    1,623,876.85/2,435,131.23 = 486,802.09/x
  3. Step 3: Cross multiply
    1,623,876.85x = 2,435,131.23 × 486,802.09
  4. Step 4: Simplify right side
    1,623,876.85x = 1,185,426,972,188.27
  5. Step 5: Solve for x
    x = 1,185,426,972,188.27/1,623,876.85
  6. Step 6: Final answer
    x = 729,998.07

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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.