Home / 1,036,686.45-1,555,029.68-859,539.45

Finding the Fourth Proportional to 1,036,686.45, 1,555,029.68 and 859,539.45

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Solution

The fourth proportional to 1,036,686.45, 1,555,029.68 and 859,539.45 is: 1,289,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,686.45 : 1,555,029.68 = 859,539.45 : x
  2. Step 2: Convert to fraction form
    1,036,686.45/1,555,029.68 = 859,539.45/x
  3. Step 3: Cross multiply
    1,036,686.45x = 1,555,029.68 × 859,539.45
  4. Step 4: Simplify right side
    1,036,686.45x = 1,336,609,355,880.88
  5. Step 5: Solve for x
    x = 1,336,609,355,880.88/1,036,686.45
  6. Step 6: Final answer
    x = 1,289,309.18

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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.