Home / 457,017.19-630,679.34-263,353.75

Finding the Fourth Proportional to 457,017.19, 630,679.34 and 263,353.75

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Solution

The fourth proportional to 457,017.19, 630,679.34 and 263,353.75 is: 363,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,017.19 : 630,679.34 = 263,353.75 : x
  2. Step 2: Convert to fraction form
    457,017.19/630,679.34 = 263,353.75/x
  3. Step 3: Cross multiply
    457,017.19x = 630,679.34 × 263,353.75
  4. Step 4: Simplify right side
    457,017.19x = 166,091,768,907.33
  5. Step 5: Solve for x
    x = 166,091,768,907.33/457,017.19
  6. Step 6: Final answer
    x = 363,425.65

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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.