Home / 589,039.70-884,215.65-323,319.20

Finding the Fourth Proportional to 589,039.70, 884,215.65 and 323,319.20

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Solution

The fourth proportional to 589,039.70, 884,215.65 and 323,319.20 is: 485,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,039.70 : 884,215.65 = 323,319.20 : x
  2. Step 2: Convert to fraction form
    589,039.70/884,215.65 = 323,319.20/x
  3. Step 3: Cross multiply
    589,039.70x = 884,215.65 × 323,319.20
  4. Step 4: Simplify right side
    589,039.70x = 285,883,896,585.48
  5. Step 5: Solve for x
    x = 285,883,896,585.48/589,039.70
  6. Step 6: Final answer
    x = 485,338.93

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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.