Home / 1,213,974.80-1,675,275.78-670,110.76

Finding the Fourth Proportional to 1,213,974.80, 1,675,275.78 and 670,110.76

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Solution

The fourth proportional to 1,213,974.80, 1,675,275.78 and 670,110.76 is: 924,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,974.80 : 1,675,275.78 = 670,110.76 : x
  2. Step 2: Convert to fraction form
    1,213,974.80/1,675,275.78 = 670,110.76/x
  3. Step 3: Cross multiply
    1,213,974.80x = 1,675,275.78 × 670,110.76
  4. Step 4: Simplify right side
    1,213,974.80x = 1,122,620,326,145.39
  5. Step 5: Solve for x
    x = 1,122,620,326,145.39/1,213,974.80
  6. Step 6: Final answer
    x = 924,747.64

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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.