Home / 985,879.14-1,360,576.22-556,002.42

Finding the Fourth Proportional to 985,879.14, 1,360,576.22 and 556,002.42

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Solution

The fourth proportional to 985,879.14, 1,360,576.22 and 556,002.42 is: 767,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,879.14 : 1,360,576.22 = 556,002.42 : x
  2. Step 2: Convert to fraction form
    985,879.14/1,360,576.22 = 556,002.42/x
  3. Step 3: Cross multiply
    985,879.14x = 1,360,576.22 × 556,002.42
  4. Step 4: Simplify right side
    985,879.14x = 756,483,668,134.44
  5. Step 5: Solve for x
    x = 756,483,668,134.44/985,879.14
  6. Step 6: Final answer
    x = 767,318.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.