Home / 591,389.36-816,116.82-319,457.17

Finding the Fourth Proportional to 591,389.36, 816,116.82 and 319,457.17

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Solution

The fourth proportional to 591,389.36, 816,116.82 and 319,457.17 is: 440,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,389.36 : 816,116.82 = 319,457.17 : x
  2. Step 2: Convert to fraction form
    591,389.36/816,116.82 = 319,457.17/x
  3. Step 3: Cross multiply
    591,389.36x = 816,116.82 × 319,457.17
  4. Step 4: Simplify right side
    591,389.36x = 260,714,365,626.02
  5. Step 5: Solve for x
    x = 260,714,365,626.02/591,389.36
  6. Step 6: Final answer
    x = 440,850.62

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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.