Home / 691,157.70-953,682.03-385,167.02

Finding the Fourth Proportional to 691,157.70, 953,682.03 and 385,167.02

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Solution

The fourth proportional to 691,157.70, 953,682.03 and 385,167.02 is: 531,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,157.70 : 953,682.03 = 385,167.02 : x
  2. Step 2: Convert to fraction form
    691,157.70/953,682.03 = 385,167.02/x
  3. Step 3: Cross multiply
    691,157.70x = 953,682.03 × 385,167.02
  4. Step 4: Simplify right side
    691,157.70x = 367,326,860,754.24
  5. Step 5: Solve for x
    x = 367,326,860,754.24/691,157.70
  6. Step 6: Final answer
    x = 531,466.06

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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.