Home / 876,360.65-1,306,809.16-845,138.49

Finding the Fourth Proportional to 876,360.65, 1,306,809.16 and 845,138.49

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Solution

The fourth proportional to 876,360.65, 1,306,809.16 and 845,138.49 is: 1,260,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,360.65 : 1,306,809.16 = 845,138.49 : x
  2. Step 2: Convert to fraction form
    876,360.65/1,306,809.16 = 845,138.49/x
  3. Step 3: Cross multiply
    876,360.65x = 1,306,809.16 × 845,138.49
  4. Step 4: Simplify right side
    876,360.65x = 1,104,434,715,974.88
  5. Step 5: Solve for x
    x = 1,104,434,715,974.88/876,360.65
  6. Step 6: Final answer
    x = 1,260,251.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.