Home / 1,143,500.63-1,715,286.51-424,021.37

Finding the Fourth Proportional to 1,143,500.63, 1,715,286.51 and 424,021.37

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Solution

The fourth proportional to 1,143,500.63, 1,715,286.51 and 424,021.37 is: 636,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,500.63 : 1,715,286.51 = 424,021.37 : x
  2. Step 2: Convert to fraction form
    1,143,500.63/1,715,286.51 = 424,021.37/x
  3. Step 3: Cross multiply
    1,143,500.63x = 1,715,286.51 × 424,021.37
  4. Step 4: Simplify right side
    1,143,500.63x = 727,318,127,336.29
  5. Step 5: Solve for x
    x = 727,318,127,336.29/1,143,500.63
  6. Step 6: Final answer
    x = 636,045.24

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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.