Home / 651,883.40-977,997.90-231,115.40

Finding the Fourth Proportional to 651,883.40, 977,997.90 and 231,115.40

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Solution

The fourth proportional to 651,883.40, 977,997.90 and 231,115.40 is: 346,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,883.40 : 977,997.90 = 231,115.40 : x
  2. Step 2: Convert to fraction form
    651,883.40/977,997.90 = 231,115.40/x
  3. Step 3: Cross multiply
    651,883.40x = 977,997.90 × 231,115.40
  4. Step 4: Simplify right side
    651,883.40x = 226,030,375,857.66
  5. Step 5: Solve for x
    x = 226,030,375,857.66/651,883.40
  6. Step 6: Final answer
    x = 346,734.36

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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.