Home / 1,166,121.50-1,608,697.62-682,387.16

Finding the Fourth Proportional to 1,166,121.50, 1,608,697.62 and 682,387.16

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Solution

The fourth proportional to 1,166,121.50, 1,608,697.62 and 682,387.16 is: 941,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,121.50 : 1,608,697.62 = 682,387.16 : x
  2. Step 2: Convert to fraction form
    1,166,121.50/1,608,697.62 = 682,387.16/x
  3. Step 3: Cross multiply
    1,166,121.50x = 1,608,697.62 × 682,387.16
  4. Step 4: Simplify right side
    1,166,121.50x = 1,097,754,592,167.07
  5. Step 5: Solve for x
    x = 1,097,754,592,167.07/1,166,121.50
  6. Step 6: Final answer
    x = 941,372.40

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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.