Home / 824,198.30-1,235,313.30-424,633.40

Finding the Fourth Proportional to 824,198.30, 1,235,313.30 and 424,633.40

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Solution

The fourth proportional to 824,198.30, 1,235,313.30 and 424,633.40 is: 636,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,198.30 : 1,235,313.30 = 424,633.40 : x
  2. Step 2: Convert to fraction form
    824,198.30/1,235,313.30 = 424,633.40/x
  3. Step 3: Cross multiply
    824,198.30x = 1,235,313.30 × 424,633.40
  4. Step 4: Simplify right side
    824,198.30x = 524,555,286,644.22
  5. Step 5: Solve for x
    x = 524,555,286,644.22/824,198.30
  6. Step 6: Final answer
    x = 636,443.06

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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.