Home / 770,576.96-1,063,338.24-430,979.60

Finding the Fourth Proportional to 770,576.96, 1,063,338.24 and 430,979.60

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Solution

The fourth proportional to 770,576.96, 1,063,338.24 and 430,979.60 is: 594,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,576.96 : 1,063,338.24 = 430,979.60 : x
  2. Step 2: Convert to fraction form
    770,576.96/1,063,338.24 = 430,979.60/x
  3. Step 3: Cross multiply
    770,576.96x = 1,063,338.24 × 430,979.60
  4. Step 4: Simplify right side
    770,576.96x = 458,277,089,339.90
  5. Step 5: Solve for x
    x = 458,277,089,339.90/770,576.96
  6. Step 6: Final answer
    x = 594,719.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.