Home / 1,296,719.69-1,945,331.64-497,942.51

Finding the Fourth Proportional to 1,296,719.69, 1,945,331.64 and 497,942.51

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Solution

The fourth proportional to 1,296,719.69, 1,945,331.64 and 497,942.51 is: 747,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,719.69 : 1,945,331.64 = 497,942.51 : x
  2. Step 2: Convert to fraction form
    1,296,719.69/1,945,331.64 = 497,942.51/x
  3. Step 3: Cross multiply
    1,296,719.69x = 1,945,331.64 × 497,942.51
  4. Step 4: Simplify right side
    1,296,719.69x = 968,663,309,877.36
  5. Step 5: Solve for x
    x = 968,663,309,877.36/1,296,719.69
  6. Step 6: Final answer
    x = 747,010.57

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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.