Home / 1,418,682.36-2,129,158.37-745,160.85

Finding the Fourth Proportional to 1,418,682.36, 2,129,158.37 and 745,160.85

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Solution

The fourth proportional to 1,418,682.36, 2,129,158.37 and 745,160.85 is: 1,118,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,682.36 : 2,129,158.37 = 745,160.85 : x
  2. Step 2: Convert to fraction form
    1,418,682.36/2,129,158.37 = 745,160.85/x
  3. Step 3: Cross multiply
    1,418,682.36x = 2,129,158.37 × 745,160.85
  4. Step 4: Simplify right side
    1,418,682.36x = 1,586,565,462,636.72
  5. Step 5: Solve for x
    x = 1,586,565,462,636.72/1,418,682.36
  6. Step 6: Final answer
    x = 1,118,337.34

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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.