Home / 825,923.46-1,238,622.75-561,383.94

Finding the Fourth Proportional to 825,923.46, 1,238,622.75 and 561,383.94

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Solution

The fourth proportional to 825,923.46, 1,238,622.75 and 561,383.94 is: 841,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,923.46 : 1,238,622.75 = 561,383.94 : x
  2. Step 2: Convert to fraction form
    825,923.46/1,238,622.75 = 561,383.94/x
  3. Step 3: Cross multiply
    825,923.46x = 1,238,622.75 × 561,383.94
  4. Step 4: Simplify right side
    825,923.46x = 695,342,919,568.64
  5. Step 5: Solve for x
    x = 695,342,919,568.64/825,923.46
  6. Step 6: Final answer
    x = 841,897.53

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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.