Home / 5,259,876.80-7,889,815.20-4,314,315.20

Finding the Fourth Proportional to 5,259,876.80, 7,889,815.20 and 4,314,315.20

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Solution

The fourth proportional to 5,259,876.80, 7,889,815.20 and 4,314,315.20 is: 6,471,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,876.80 : 7,889,815.20 = 4,314,315.20 : x
  2. Step 2: Convert to fraction form
    5,259,876.80/7,889,815.20 = 4,314,315.20/x
  3. Step 3: Cross multiply
    5,259,876.80x = 7,889,815.20 × 4,314,315.20
  4. Step 4: Simplify right side
    5,259,876.80x = 34,039,149,642,551.04
  5. Step 5: Solve for x
    x = 34,039,149,642,551.04/5,259,876.80
  6. Step 6: Final answer
    x = 6,471,472.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.