Home / 1,262,709.27-1,742,538.69-681,932.34

Finding the Fourth Proportional to 1,262,709.27, 1,742,538.69 and 681,932.34

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Solution

The fourth proportional to 1,262,709.27, 1,742,538.69 and 681,932.34 is: 941,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,709.27 : 1,742,538.69 = 681,932.34 : x
  2. Step 2: Convert to fraction form
    1,262,709.27/1,742,538.69 = 681,932.34/x
  3. Step 3: Cross multiply
    1,262,709.27x = 1,742,538.69 × 681,932.34
  4. Step 4: Simplify right side
    1,262,709.27x = 1,188,293,486,412.23
  5. Step 5: Solve for x
    x = 1,188,293,486,412.23/1,262,709.27
  6. Step 6: Final answer
    x = 941,066.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.