Home / 608,478.66-839,688.30-336,558.06

Finding the Fourth Proportional to 608,478.66, 839,688.30 and 336,558.06

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Solution

The fourth proportional to 608,478.66, 839,688.30 and 336,558.06 is: 464,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,478.66 : 839,688.30 = 336,558.06 : x
  2. Step 2: Convert to fraction form
    608,478.66/839,688.30 = 336,558.06/x
  3. Step 3: Cross multiply
    608,478.66x = 839,688.30 × 336,558.06
  4. Step 4: Simplify right side
    608,478.66x = 282,603,865,252.70
  5. Step 5: Solve for x
    x = 282,603,865,252.70/608,478.66
  6. Step 6: Final answer
    x = 464,443.35

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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.