Home / 916,727.40-1,375,091.10-242,912.70

Finding the Fourth Proportional to 916,727.40, 1,375,091.10 and 242,912.70

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Solution

The fourth proportional to 916,727.40, 1,375,091.10 and 242,912.70 is: 364,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,727.40 : 1,375,091.10 = 242,912.70 : x
  2. Step 2: Convert to fraction form
    916,727.40/1,375,091.10 = 242,912.70/x
  3. Step 3: Cross multiply
    916,727.40x = 1,375,091.10 × 242,912.70
  4. Step 4: Simplify right side
    916,727.40x = 334,027,091,846.97
  5. Step 5: Solve for x
    x = 334,027,091,846.97/916,727.40
  6. Step 6: Final answer
    x = 364,369.05

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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.