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Finding the Fourth Proportional to 1,437,788.82, 1,984,155.17 and 793,208.78

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Solution

The fourth proportional to 1,437,788.82, 1,984,155.17 and 793,208.78 is: 1,094,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,788.82 : 1,984,155.17 = 793,208.78 : x
  2. Step 2: Convert to fraction form
    1,437,788.82/1,984,155.17 = 793,208.78/x
  3. Step 3: Cross multiply
    1,437,788.82x = 1,984,155.17 × 793,208.78
  4. Step 4: Simplify right side
    1,437,788.82x = 1,573,849,287,839.57
  5. Step 5: Solve for x
    x = 1,573,849,287,839.57/1,437,788.82
  6. Step 6: Final answer
    x = 1,094,631.75

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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.