Home / 1,512,191-2,268,706.88-659,337.20

Finding the Fourth Proportional to 1,512,191, 2,268,706.88 and 659,337.20

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Solution

The fourth proportional to 1,512,191, 2,268,706.88 and 659,337.20 is: 989,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,191 : 2,268,706.88 = 659,337.20 : x
  2. Step 2: Convert to fraction form
    1,512,191/2,268,706.88 = 659,337.20/x
  3. Step 3: Cross multiply
    1,512,191x = 2,268,706.88 × 659,337.20
  4. Step 4: Simplify right side
    1,512,191x = 1,495,842,841,879.94
  5. Step 5: Solve for x
    x = 1,495,842,841,879.94/1,512,191
  6. Step 6: Final answer
    x = 989,189.09

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Double scale
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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.