Home / 518,946.04-778,414.39-163,960.03

Finding the Fourth Proportional to 518,946.04, 778,414.39 and 163,960.03

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Solution

The fourth proportional to 518,946.04, 778,414.39 and 163,960.03 is: 245,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,946.04 : 778,414.39 = 163,960.03 : x
  2. Step 2: Convert to fraction form
    518,946.04/778,414.39 = 163,960.03/x
  3. Step 3: Cross multiply
    518,946.04x = 778,414.39 × 163,960.03
  4. Step 4: Simplify right side
    518,946.04x = 127,628,847,299.95
  5. Step 5: Solve for x
    x = 127,628,847,299.95/518,946.04
  6. Step 6: Final answer
    x = 245,938.57

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1.5x scale

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.