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Finding the Fourth Proportional to 1,338,932.72, 1,847,769.72 and 735,320.72

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Solution

The fourth proportional to 1,338,932.72, 1,847,769.72 and 735,320.72 is: 1,014,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,932.72 : 1,847,769.72 = 735,320.72 : x
  2. Step 2: Convert to fraction form
    1,338,932.72/1,847,769.72 = 735,320.72/x
  3. Step 3: Cross multiply
    1,338,932.72x = 1,847,769.72 × 735,320.72
  4. Step 4: Simplify right side
    1,338,932.72x = 1,358,703,360,904.60
  5. Step 5: Solve for x
    x = 1,358,703,360,904.60/1,338,932.72
  6. Step 6: Final answer
    x = 1,014,765.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.