Home / 1,778,564.84-2,666,212.52-641,048.64

Finding the Fourth Proportional to 1,778,564.84, 2,666,212.52 and 641,048.64

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Solution

The fourth proportional to 1,778,564.84, 2,666,212.52 and 641,048.64 is: 960,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,564.84 : 2,666,212.52 = 641,048.64 : x
  2. Step 2: Convert to fraction form
    1,778,564.84/2,666,212.52 = 641,048.64/x
  3. Step 3: Cross multiply
    1,778,564.84x = 2,666,212.52 × 641,048.64
  4. Step 4: Simplify right side
    1,778,564.84x = 1,709,171,906,691.73
  5. Step 5: Solve for x
    x = 1,709,171,906,691.73/1,778,564.84
  6. Step 6: Final answer
    x = 960,983.75

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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.