Home / 953,740.89-1,430,832.77-279,794.97

Finding the Fourth Proportional to 953,740.89, 1,430,832.77 and 279,794.97

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Solution

The fourth proportional to 953,740.89, 1,430,832.77 and 279,794.97 is: 419,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,740.89 : 1,430,832.77 = 279,794.97 : x
  2. Step 2: Convert to fraction form
    953,740.89/1,430,832.77 = 279,794.97/x
  3. Step 3: Cross multiply
    953,740.89x = 1,430,832.77 × 279,794.97
  4. Step 4: Simplify right side
    953,740.89x = 400,339,811,607.42
  5. Step 5: Solve for x
    x = 400,339,811,607.42/953,740.89
  6. Step 6: Final answer
    x = 419,757.42

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1.5x scale

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.