Home / 946,126.58-1,419,415.85-315,045.86

Finding the Fourth Proportional to 946,126.58, 1,419,415.85 and 315,045.86

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Solution

The fourth proportional to 946,126.58, 1,419,415.85 and 315,045.86 is: 472,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,126.58 : 1,419,415.85 = 315,045.86 : x
  2. Step 2: Convert to fraction form
    946,126.58/1,419,415.85 = 315,045.86/x
  3. Step 3: Cross multiply
    946,126.58x = 1,419,415.85 × 315,045.86
  4. Step 4: Simplify right side
    946,126.58x = 447,181,080,851.42
  5. Step 5: Solve for x
    x = 447,181,080,851.42/946,126.58
  6. Step 6: Final answer
    x = 472,644.03

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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.