Home / 1,225,446.35-1,690,997.49-709,097.24

Finding the Fourth Proportional to 1,225,446.35, 1,690,997.49 and 709,097.24

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Solution

The fourth proportional to 1,225,446.35, 1,690,997.49 and 709,097.24 is: 978,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,446.35 : 1,690,997.49 = 709,097.24 : x
  2. Step 2: Convert to fraction form
    1,225,446.35/1,690,997.49 = 709,097.24/x
  3. Step 3: Cross multiply
    1,225,446.35x = 1,690,997.49 × 709,097.24
  4. Step 4: Simplify right side
    1,225,446.35x = 1,199,081,649,460.44
  5. Step 5: Solve for x
    x = 1,199,081,649,460.44/1,225,446.35
  6. Step 6: Final answer
    x = 978,485.64

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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.