Home / 1,704,209.20-2,556,313.80-862,651.60

Finding the Fourth Proportional to 1,704,209.20, 2,556,313.80 and 862,651.60

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Solution

The fourth proportional to 1,704,209.20, 2,556,313.80 and 862,651.60 is: 1,293,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,209.20 : 2,556,313.80 = 862,651.60 : x
  2. Step 2: Convert to fraction form
    1,704,209.20/2,556,313.80 = 862,651.60/x
  3. Step 3: Cross multiply
    1,704,209.20x = 2,556,313.80 × 862,651.60
  4. Step 4: Simplify right side
    1,704,209.20x = 2,205,208,189,672.08
  5. Step 5: Solve for x
    x = 2,205,208,189,672.08/1,704,209.20
  6. Step 6: Final answer
    x = 1,293,977.40

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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.