Home / 939,714.69-1,296,618.69-571,945.51

Finding the Fourth Proportional to 939,714.69, 1,296,618.69 and 571,945.51

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Solution

The fourth proportional to 939,714.69, 1,296,618.69 and 571,945.51 is: 789,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,714.69 : 1,296,618.69 = 571,945.51 : x
  2. Step 2: Convert to fraction form
    939,714.69/1,296,618.69 = 571,945.51/x
  3. Step 3: Cross multiply
    939,714.69x = 1,296,618.69 × 571,945.51
  4. Step 4: Simplify right side
    939,714.69x = 741,595,237,927.58
  5. Step 5: Solve for x
    x = 741,595,237,927.58/939,714.69
  6. Step 6: Final answer
    x = 789,170.63

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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.