Home / 1,923,118.70-2,884,829.75-643,733.69

Finding the Fourth Proportional to 1,923,118.70, 2,884,829.75 and 643,733.69

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Solution

The fourth proportional to 1,923,118.70, 2,884,829.75 and 643,733.69 is: 965,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,118.70 : 2,884,829.75 = 643,733.69 : x
  2. Step 2: Convert to fraction form
    1,923,118.70/2,884,829.75 = 643,733.69/x
  3. Step 3: Cross multiply
    1,923,118.70x = 2,884,829.75 × 643,733.69
  4. Step 4: Simplify right side
    1,923,118.70x = 1,857,062,082,346.46
  5. Step 5: Solve for x
    x = 1,857,062,082,346.46/1,923,118.70
  6. Step 6: Final answer
    x = 965,651.31

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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.