Home / 980,888.41-1,354,286.54-877,200.89

Finding the Fourth Proportional to 980,888.41, 1,354,286.54 and 877,200.89

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Solution

The fourth proportional to 980,888.41, 1,354,286.54 and 877,200.89 is: 1,211,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,888.41 : 1,354,286.54 = 877,200.89 : x
  2. Step 2: Convert to fraction form
    980,888.41/1,354,286.54 = 877,200.89/x
  3. Step 3: Cross multiply
    980,888.41x = 1,354,286.54 × 877,200.89
  4. Step 4: Simplify right side
    980,888.41x = 1,187,981,363,781.74
  5. Step 5: Solve for x
    x = 1,187,981,363,781.74/980,888.41
  6. Step 6: Final answer
    x = 1,211,127.95

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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.