Home / 776,866.14-1,071,218.42-531,891.22

Finding the Fourth Proportional to 776,866.14, 1,071,218.42 and 531,891.22

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Solution

The fourth proportional to 776,866.14, 1,071,218.42 and 531,891.22 is: 733,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,866.14 : 1,071,218.42 = 531,891.22 : x
  2. Step 2: Convert to fraction form
    776,866.14/1,071,218.42 = 531,891.22/x
  3. Step 3: Cross multiply
    776,866.14x = 1,071,218.42 × 531,891.22
  4. Step 4: Simplify right side
    776,866.14x = 569,771,672,300.27
  5. Step 5: Solve for x
    x = 569,771,672,300.27/776,866.14
  6. Step 6: Final answer
    x = 733,423.23

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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.