Home / 1,704,139.20-2,556,208.80-862,581.60

Finding the Fourth Proportional to 1,704,139.20, 2,556,208.80 and 862,581.60

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Solution

The fourth proportional to 1,704,139.20, 2,556,208.80 and 862,581.60 is: 1,293,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,139.20 : 2,556,208.80 = 862,581.60 : x
  2. Step 2: Convert to fraction form
    1,704,139.20/2,556,208.80 = 862,581.60/x
  3. Step 3: Cross multiply
    1,704,139.20x = 2,556,208.80 × 862,581.60
  4. Step 4: Simplify right side
    1,704,139.20x = 2,204,938,676,638.08
  5. Step 5: Solve for x
    x = 2,204,938,676,638.08/1,704,139.20
  6. Step 6: Final answer
    x = 1,293,872.40

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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.