Home / 1,686,634.56-2,530,949.76-622,417.68

Finding the Fourth Proportional to 1,686,634.56, 2,530,949.76 and 622,417.68

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Solution

The fourth proportional to 1,686,634.56, 2,530,949.76 and 622,417.68 is: 933,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,634.56 : 2,530,949.76 = 622,417.68 : x
  2. Step 2: Convert to fraction form
    1,686,634.56/2,530,949.76 = 622,417.68/x
  3. Step 3: Cross multiply
    1,686,634.56x = 2,530,949.76 × 622,417.68
  4. Step 4: Simplify right side
    1,686,634.56x = 1,575,307,877,815.76
  5. Step 5: Solve for x
    x = 1,575,307,877,815.76/1,686,634.56
  6. Step 6: Final answer
    x = 933,994.78

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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.