Home / 953,011.04-1,428,408.80-353,589.86

Finding the Fourth Proportional to 953,011.04, 1,428,408.80 and 353,589.86

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Solution

The fourth proportional to 953,011.04, 1,428,408.80 and 353,589.86 is: 529,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,011.04 : 1,428,408.80 = 353,589.86 : x
  2. Step 2: Convert to fraction form
    953,011.04/1,428,408.80 = 353,589.86/x
  3. Step 3: Cross multiply
    953,011.04x = 1,428,408.80 × 353,589.86
  4. Step 4: Simplify right side
    953,011.04x = 505,070,858,704.78
  5. Step 5: Solve for x
    x = 505,070,858,704.78/953,011.04
  6. Step 6: Final answer
    x = 529,973.78

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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.