Home / 1,142,110.35-1,576,112.31-632,812.72

Finding the Fourth Proportional to 1,142,110.35, 1,576,112.31 and 632,812.72

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Solution

The fourth proportional to 1,142,110.35, 1,576,112.31 and 632,812.72 is: 873,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,110.35 : 1,576,112.31 = 632,812.72 : x
  2. Step 2: Convert to fraction form
    1,142,110.35/1,576,112.31 = 632,812.72/x
  3. Step 3: Cross multiply
    1,142,110.35x = 1,576,112.31 × 632,812.72
  4. Step 4: Simplify right side
    1,142,110.35x = 997,383,917,916.58
  5. Step 5: Solve for x
    x = 997,383,917,916.58/1,142,110.35
  6. Step 6: Final answer
    x = 873,281.57

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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.