Home / 608,566.56-839,539.04-393,775.84

Finding the Fourth Proportional to 608,566.56, 839,539.04 and 393,775.84

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Solution

The fourth proportional to 608,566.56, 839,539.04 and 393,775.84 is: 543,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,566.56 : 839,539.04 = 393,775.84 : x
  2. Step 2: Convert to fraction form
    608,566.56/839,539.04 = 393,775.84/x
  3. Step 3: Cross multiply
    608,566.56x = 839,539.04 × 393,775.84
  4. Step 4: Simplify right side
    608,566.56x = 330,590,190,688.79
  5. Step 5: Solve for x
    x = 330,590,190,688.79/608,566.56
  6. Step 6: Final answer
    x = 543,227.66

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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.