Home / 1,192,313.25-1,645,376.37-648,437.34

Finding the Fourth Proportional to 1,192,313.25, 1,645,376.37 and 648,437.34

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Solution

The fourth proportional to 1,192,313.25, 1,645,376.37 and 648,437.34 is: 894,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,313.25 : 1,645,376.37 = 648,437.34 : x
  2. Step 2: Convert to fraction form
    1,192,313.25/1,645,376.37 = 648,437.34/x
  3. Step 3: Cross multiply
    1,192,313.25x = 1,645,376.37 × 648,437.34
  4. Step 4: Simplify right side
    1,192,313.25x = 1,066,923,476,661.66
  5. Step 5: Solve for x
    x = 1,066,923,476,661.66/1,192,313.25
  6. Step 6: Final answer
    x = 894,834.87

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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.