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Finding the Fourth Proportional to 1,262,648.03, 1,741,938.39 and 932,295.69

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Solution

The fourth proportional to 1,262,648.03, 1,741,938.39 and 932,295.69 is: 1,286,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,648.03 : 1,741,938.39 = 932,295.69 : x
  2. Step 2: Convert to fraction form
    1,262,648.03/1,741,938.39 = 932,295.69/x
  3. Step 3: Cross multiply
    1,262,648.03x = 1,741,938.39 × 932,295.69
  4. Step 4: Simplify right side
    1,262,648.03x = 1,624,001,653,242.54
  5. Step 5: Solve for x
    x = 1,624,001,653,242.54/1,262,648.03
  6. Step 6: Final answer
    x = 1,286,187.14

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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.