Home / 1,189,158.57-1,782,540.47-683,567.91

Finding the Fourth Proportional to 1,189,158.57, 1,782,540.47 and 683,567.91

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Solution

The fourth proportional to 1,189,158.57, 1,782,540.47 and 683,567.91 is: 1,024,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,158.57 : 1,782,540.47 = 683,567.91 : x
  2. Step 2: Convert to fraction form
    1,189,158.57/1,782,540.47 = 683,567.91/x
  3. Step 3: Cross multiply
    1,189,158.57x = 1,782,540.47 × 683,567.91
  4. Step 4: Simplify right side
    1,189,158.57x = 1,218,487,465,277.24
  5. Step 5: Solve for x
    x = 1,218,487,465,277.24/1,189,158.57
  6. Step 6: Final answer
    x = 1,024,663.57

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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.