Home / 1,556,709.60-2,334,845.70-491,859.30

Finding the Fourth Proportional to 1,556,709.60, 2,334,845.70 and 491,859.30

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Solution

The fourth proportional to 1,556,709.60, 2,334,845.70 and 491,859.30 is: 737,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,709.60 : 2,334,845.70 = 491,859.30 : x
  2. Step 2: Convert to fraction form
    1,556,709.60/2,334,845.70 = 491,859.30/x
  3. Step 3: Cross multiply
    1,556,709.60x = 2,334,845.70 × 491,859.30
  4. Step 4: Simplify right side
    1,556,709.60x = 1,148,415,571,610.01
  5. Step 5: Solve for x
    x = 1,148,415,571,610.01/1,556,709.60
  6. Step 6: Final answer
    x = 737,719.85

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Double scale
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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.