Home / 1,137,835.62-1,707,426.75-418,682.31

Finding the Fourth Proportional to 1,137,835.62, 1,707,426.75 and 418,682.31

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Solution

The fourth proportional to 1,137,835.62, 1,707,426.75 and 418,682.31 is: 628,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,835.62 : 1,707,426.75 = 418,682.31 : x
  2. Step 2: Convert to fraction form
    1,137,835.62/1,707,426.75 = 418,682.31/x
  3. Step 3: Cross multiply
    1,137,835.62x = 1,707,426.75 × 418,682.31
  4. Step 4: Simplify right side
    1,137,835.62x = 714,869,375,845.79
  5. Step 5: Solve for x
    x = 714,869,375,845.79/1,137,835.62
  6. Step 6: Final answer
    x = 628,271.22

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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.