Home / 1,238,045.82-1,857,336.10-385,101.24

Finding the Fourth Proportional to 1,238,045.82, 1,857,336.10 and 385,101.24

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Solution

The fourth proportional to 1,238,045.82, 1,857,336.10 and 385,101.24 is: 577,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,045.82 : 1,857,336.10 = 385,101.24 : x
  2. Step 2: Convert to fraction form
    1,238,045.82/1,857,336.10 = 385,101.24/x
  3. Step 3: Cross multiply
    1,238,045.82x = 1,857,336.10 × 385,101.24
  4. Step 4: Simplify right side
    1,238,045.82x = 715,262,435,206.76
  5. Step 5: Solve for x
    x = 715,262,435,206.76/1,238,045.82
  6. Step 6: Final answer
    x = 577,735.03

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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.