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Finding the Fourth Proportional to 793,598.76, 1,189,153.98 and 674,781.48

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Solution

The fourth proportional to 793,598.76, 1,189,153.98 and 674,781.48 is: 1,011,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,598.76 : 1,189,153.98 = 674,781.48 : x
  2. Step 2: Convert to fraction form
    793,598.76/1,189,153.98 = 674,781.48/x
  3. Step 3: Cross multiply
    793,598.76x = 1,189,153.98 × 674,781.48
  4. Step 4: Simplify right side
    793,598.76x = 802,419,082,572.29
  5. Step 5: Solve for x
    x = 802,419,082,572.29/793,598.76
  6. Step 6: Final answer
    x = 1,011,114.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.