Home / 939,808.19-1,295,954.96-557,761.16

Finding the Fourth Proportional to 939,808.19, 1,295,954.96 and 557,761.16

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Solution

The fourth proportional to 939,808.19, 1,295,954.96 and 557,761.16 is: 769,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,808.19 : 1,295,954.96 = 557,761.16 : x
  2. Step 2: Convert to fraction form
    939,808.19/1,295,954.96 = 557,761.16/x
  3. Step 3: Cross multiply
    939,808.19x = 1,295,954.96 × 557,761.16
  4. Step 4: Simplify right side
    939,808.19x = 722,833,332,528.77
  5. Step 5: Solve for x
    x = 722,833,332,528.77/939,808.19
  6. Step 6: Final answer
    x = 769,128.58

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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.