Home / 1,371,055.85-1,891,925.03-819,662.59

Finding the Fourth Proportional to 1,371,055.85, 1,891,925.03 and 819,662.59

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Solution

The fourth proportional to 1,371,055.85, 1,891,925.03 and 819,662.59 is: 1,131,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,055.85 : 1,891,925.03 = 819,662.59 : x
  2. Step 2: Convert to fraction form
    1,371,055.85/1,891,925.03 = 819,662.59/x
  3. Step 3: Cross multiply
    1,371,055.85x = 1,891,925.03 × 819,662.59
  4. Step 4: Simplify right side
    1,371,055.85x = 1,550,740,174,589.69
  5. Step 5: Solve for x
    x = 1,550,740,174,589.69/1,371,055.85
  6. Step 6: Final answer
    x = 1,131,055.44

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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.