Home / 608,636.19-839,942.64-336,699.39

Finding the Fourth Proportional to 608,636.19, 839,942.64 and 336,699.39

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Solution

The fourth proportional to 608,636.19, 839,942.64 and 336,699.39 is: 464,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,636.19 : 839,942.64 = 336,699.39 : x
  2. Step 2: Convert to fraction form
    608,636.19/839,942.64 = 336,699.39/x
  3. Step 3: Cross multiply
    608,636.19x = 839,942.64 × 336,699.39
  4. Step 4: Simplify right side
    608,636.19x = 282,808,174,522.99
  5. Step 5: Solve for x
    x = 282,808,174,522.99/608,636.19
  6. Step 6: Final answer
    x = 464,658.82

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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.