Home / 571,828.44-789,120.72-326,809.11

Finding the Fourth Proportional to 571,828.44, 789,120.72 and 326,809.11

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Solution

The fourth proportional to 571,828.44, 789,120.72 and 326,809.11 is: 450,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,828.44 : 789,120.72 = 326,809.11 : x
  2. Step 2: Convert to fraction form
    571,828.44/789,120.72 = 326,809.11/x
  3. Step 3: Cross multiply
    571,828.44x = 789,120.72 × 326,809.11
  4. Step 4: Simplify right side
    571,828.44x = 257,891,840,185.76
  5. Step 5: Solve for x
    x = 257,891,840,185.76/571,828.44
  6. Step 6: Final answer
    x = 450,995.13

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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.