Home / 742,424.63-1,024,016.69-681,367.64

Finding the Fourth Proportional to 742,424.63, 1,024,016.69 and 681,367.64

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Solution

The fourth proportional to 742,424.63, 1,024,016.69 and 681,367.64 is: 939,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,424.63 : 1,024,016.69 = 681,367.64 : x
  2. Step 2: Convert to fraction form
    742,424.63/1,024,016.69 = 681,367.64/x
  3. Step 3: Cross multiply
    742,424.63x = 1,024,016.69 × 681,367.64
  4. Step 4: Simplify right side
    742,424.63x = 697,731,826,858.99
  5. Step 5: Solve for x
    x = 697,731,826,858.99/742,424.63
  6. Step 6: Final answer
    x = 939,801.57

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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.