Home / 1,976,678.30-2,965,257.38-556,734.37

Finding the Fourth Proportional to 1,976,678.30, 2,965,257.38 and 556,734.37

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Solution

The fourth proportional to 1,976,678.30, 2,965,257.38 and 556,734.37 is: 835,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,678.30 : 2,965,257.38 = 556,734.37 : x
  2. Step 2: Convert to fraction form
    1,976,678.30/2,965,257.38 = 556,734.37/x
  3. Step 3: Cross multiply
    1,976,678.30x = 2,965,257.38 × 556,734.37
  4. Step 4: Simplify right side
    1,976,678.30x = 1,650,860,699,342.15
  5. Step 5: Solve for x
    x = 1,650,860,699,342.15/1,976,678.30
  6. Step 6: Final answer
    x = 835,169.13

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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.