Home / 1,371,056.85-1,891,926.41-819,663.59

Finding the Fourth Proportional to 1,371,056.85, 1,891,926.41 and 819,663.59

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Solution

The fourth proportional to 1,371,056.85, 1,891,926.41 and 819,663.59 is: 1,131,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,056.85 : 1,891,926.41 = 819,663.59 : x
  2. Step 2: Convert to fraction form
    1,371,056.85/1,891,926.41 = 819,663.59/x
  3. Step 3: Cross multiply
    1,371,056.85x = 1,891,926.41 × 819,663.59
  4. Step 4: Simplify right side
    1,371,056.85x = 1,550,743,193,236.41
  5. Step 5: Solve for x
    x = 1,550,743,193,236.41/1,371,056.85
  6. Step 6: Final answer
    x = 1,131,056.81

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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.