Home / 578,327.19-798,116.46-320,204.14

Finding the Fourth Proportional to 578,327.19, 798,116.46 and 320,204.14

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Solution

The fourth proportional to 578,327.19, 798,116.46 and 320,204.14 is: 441,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,327.19 : 798,116.46 = 320,204.14 : x
  2. Step 2: Convert to fraction form
    578,327.19/798,116.46 = 320,204.14/x
  3. Step 3: Cross multiply
    578,327.19x = 798,116.46 × 320,204.14
  4. Step 4: Simplify right side
    578,327.19x = 255,560,194,955.88
  5. Step 5: Solve for x
    x = 255,560,194,955.88/578,327.19
  6. Step 6: Final answer
    x = 441,895.52

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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.