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Finding the Fourth Proportional to 1,437,788.07, 1,984,154.13 and 793,208.03

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Solution

The fourth proportional to 1,437,788.07, 1,984,154.13 and 793,208.03 is: 1,094,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,788.07 : 1,984,154.13 = 793,208.03 : x
  2. Step 2: Convert to fraction form
    1,437,788.07/1,984,154.13 = 793,208.03/x
  3. Step 3: Cross multiply
    1,437,788.07x = 1,984,154.13 × 793,208.03
  4. Step 4: Simplify right side
    1,437,788.07x = 1,573,846,978,752.89
  5. Step 5: Solve for x
    x = 1,573,846,978,752.89/1,437,788.07
  6. Step 6: Final answer
    x = 1,094,630.71

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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.