Home / 670,771.95-1,005,811.70-197,395.89

Finding the Fourth Proportional to 670,771.95, 1,005,811.70 and 197,395.89

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Solution

The fourth proportional to 670,771.95, 1,005,811.70 and 197,395.89 is: 295,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,771.95 : 1,005,811.70 = 197,395.89 : x
  2. Step 2: Convert to fraction form
    670,771.95/1,005,811.70 = 197,395.89/x
  3. Step 3: Cross multiply
    670,771.95x = 1,005,811.70 × 197,395.89
  4. Step 4: Simplify right side
    670,771.95x = 198,543,094,706.93
  5. Step 5: Solve for x
    x = 198,543,094,706.93/670,771.95
  6. Step 6: Final answer
    x = 295,991.95

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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.