Home / 819,735.34-1,131,261.33-457,174.48

Finding the Fourth Proportional to 819,735.34, 1,131,261.33 and 457,174.48

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Solution

The fourth proportional to 819,735.34, 1,131,261.33 and 457,174.48 is: 630,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735.34 : 1,131,261.33 = 457,174.48 : x
  2. Step 2: Convert to fraction form
    819,735.34/1,131,261.33 = 457,174.48/x
  3. Step 3: Cross multiply
    819,735.34x = 1,131,261.33 × 457,174.48
  4. Step 4: Simplify right side
    819,735.34x = 517,183,810,286.86
  5. Step 5: Solve for x
    x = 517,183,810,286.86/819,735.34
  6. Step 6: Final answer
    x = 630,915.60

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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.