Home / 1,379,328.48-1,903,188.10-806,257.80

Finding the Fourth Proportional to 1,379,328.48, 1,903,188.10 and 806,257.80

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Solution

The fourth proportional to 1,379,328.48, 1,903,188.10 and 806,257.80 is: 1,112,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,328.48 : 1,903,188.10 = 806,257.80 : x
  2. Step 2: Convert to fraction form
    1,379,328.48/1,903,188.10 = 806,257.80/x
  3. Step 3: Cross multiply
    1,379,328.48x = 1,903,188.10 × 806,257.80
  4. Step 4: Simplify right side
    1,379,328.48x = 1,534,460,250,492.18
  5. Step 5: Solve for x
    x = 1,534,460,250,492.18/1,379,328.48
  6. Step 6: Final answer
    x = 1,112,469.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.