Home / 941,704.60-1,412,556.90-643,106.20

Finding the Fourth Proportional to 941,704.60, 1,412,556.90 and 643,106.20

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Solution

The fourth proportional to 941,704.60, 1,412,556.90 and 643,106.20 is: 964,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,704.60 : 1,412,556.90 = 643,106.20 : x
  2. Step 2: Convert to fraction form
    941,704.60/1,412,556.90 = 643,106.20/x
  3. Step 3: Cross multiply
    941,704.60x = 1,412,556.90 × 643,106.20
  4. Step 4: Simplify right side
    941,704.60x = 908,424,100,242.78
  5. Step 5: Solve for x
    x = 908,424,100,242.78/941,704.60
  6. Step 6: Final answer
    x = 964,659.30

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Double scale
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Similar ratio
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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.