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Finding the Fourth Proportional to 1,338,764.94, 1,847,476.71 and 757,973.10

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Solution

The fourth proportional to 1,338,764.94, 1,847,476.71 and 757,973.10 is: 1,045,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,764.94 : 1,847,476.71 = 757,973.10 : x
  2. Step 2: Convert to fraction form
    1,338,764.94/1,847,476.71 = 757,973.10/x
  3. Step 3: Cross multiply
    1,338,764.94x = 1,847,476.71 × 757,973.10
  4. Step 4: Simplify right side
    1,338,764.94x = 1,400,337,649,056.50
  5. Step 5: Solve for x
    x = 1,400,337,649,056.50/1,338,764.94
  6. Step 6: Final answer
    x = 1,045,992.17

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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.