Home / 1,298,115.78-1,946,120.15-540,524.04

Finding the Fourth Proportional to 1,298,115.78, 1,946,120.15 and 540,524.04

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Solution

The fourth proportional to 1,298,115.78, 1,946,120.15 and 540,524.04 is: 810,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,115.78 : 1,946,120.15 = 540,524.04 : x
  2. Step 2: Convert to fraction form
    1,298,115.78/1,946,120.15 = 540,524.04/x
  3. Step 3: Cross multiply
    1,298,115.78x = 1,946,120.15 × 540,524.04
  4. Step 4: Simplify right side
    1,298,115.78x = 1,051,924,723,100.79
  5. Step 5: Solve for x
    x = 1,051,924,723,100.79/1,298,115.78
  6. Step 6: Final answer
    x = 810,347.38

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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.