Home / 1,399,337.78-2,099,061.30-440,447.60

Finding the Fourth Proportional to 1,399,337.78, 2,099,061.30 and 440,447.60

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Solution

The fourth proportional to 1,399,337.78, 2,099,061.30 and 440,447.60 is: 660,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,337.78 : 2,099,061.30 = 440,447.60 : x
  2. Step 2: Convert to fraction form
    1,399,337.78/2,099,061.30 = 440,447.60/x
  3. Step 3: Cross multiply
    1,399,337.78x = 2,099,061.30 × 440,447.60
  4. Step 4: Simplify right side
    1,399,337.78x = 924,526,511,837.88
  5. Step 5: Solve for x
    x = 924,526,511,837.88/1,399,337.78
  6. Step 6: Final answer
    x = 660,688.60

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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.