Home / 1,556,014.08-2,334,021.12-491,139.20

Finding the Fourth Proportional to 1,556,014.08, 2,334,021.12 and 491,139.20

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Solution

The fourth proportional to 1,556,014.08, 2,334,021.12 and 491,139.20 is: 736,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,014.08 : 2,334,021.12 = 491,139.20 : x
  2. Step 2: Convert to fraction form
    1,556,014.08/2,334,021.12 = 491,139.20/x
  3. Step 3: Cross multiply
    1,556,014.08x = 2,334,021.12 × 491,139.20
  4. Step 4: Simplify right side
    1,556,014.08x = 1,146,329,265,659.90
  5. Step 5: Solve for x
    x = 1,146,329,265,659.90/1,556,014.08
  6. Step 6: Final answer
    x = 736,708.80

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Double scale
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Similar ratio
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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.