Home / 607,940.10-839,000.78-336,002.14

Finding the Fourth Proportional to 607,940.10, 839,000.78 and 336,002.14

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Solution

The fourth proportional to 607,940.10, 839,000.78 and 336,002.14 is: 463,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,940.10 : 839,000.78 = 336,002.14 : x
  2. Step 2: Convert to fraction form
    607,940.10/839,000.78 = 336,002.14/x
  3. Step 3: Cross multiply
    607,940.10x = 839,000.78 × 336,002.14
  4. Step 4: Simplify right side
    607,940.10x = 281,906,057,225.41
  5. Step 5: Solve for x
    x = 281,906,057,225.41/607,940.10
  6. Step 6: Final answer
    x = 463,706.96

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1.5x scale

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.