Home / 1,176,040.36-1,623,224.10-667,040.68

Finding the Fourth Proportional to 1,176,040.36, 1,623,224.10 and 667,040.68

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Solution

The fourth proportional to 1,176,040.36, 1,623,224.10 and 667,040.68 is: 920,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,040.36 : 1,623,224.10 = 667,040.68 : x
  2. Step 2: Convert to fraction form
    1,176,040.36/1,623,224.10 = 667,040.68/x
  3. Step 3: Cross multiply
    1,176,040.36x = 1,623,224.10 × 667,040.68
  4. Step 4: Simplify right side
    1,176,040.36x = 1,082,756,507,456.39
  5. Step 5: Solve for x
    x = 1,082,756,507,456.39/1,176,040.36
  6. Step 6: Final answer
    x = 920,679.72

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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.