Home / 1,284,174.80-1,924,188.60-810,011.60

Finding the Fourth Proportional to 1,284,174.80, 1,924,188.60 and 810,011.60

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Solution

The fourth proportional to 1,284,174.80, 1,924,188.60 and 810,011.60 is: 1,213,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,174.80 : 1,924,188.60 = 810,011.60 : x
  2. Step 2: Convert to fraction form
    1,284,174.80/1,924,188.60 = 810,011.60/x
  3. Step 3: Cross multiply
    1,284,174.80x = 1,924,188.60 × 810,011.60
  4. Step 4: Simplify right side
    1,284,174.80x = 1,558,615,086,587.76
  5. Step 5: Solve for x
    x = 1,558,615,086,587.76/1,284,174.80
  6. Step 6: Final answer
    x = 1,213,709.45

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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.