Home / 742,512.49-1,111,884.80-622,253.21

Finding the Fourth Proportional to 742,512.49, 1,111,884.80 and 622,253.21

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Solution

The fourth proportional to 742,512.49, 1,111,884.80 and 622,253.21 is: 931,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,512.49 : 1,111,884.80 = 622,253.21 : x
  2. Step 2: Convert to fraction form
    742,512.49/1,111,884.80 = 622,253.21/x
  3. Step 3: Cross multiply
    742,512.49x = 1,111,884.80 × 622,253.21
  4. Step 4: Simplify right side
    742,512.49x = 691,873,885,950.21
  5. Step 5: Solve for x
    x = 691,873,885,950.21/742,512.49
  6. Step 6: Final answer
    x = 931,801.01

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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.