Home / 1,644,960.25-2,467,482.75-780,193.11

Finding the Fourth Proportional to 1,644,960.25, 2,467,482.75 and 780,193.11

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Solution

The fourth proportional to 1,644,960.25, 2,467,482.75 and 780,193.11 is: 1,170,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,960.25 : 2,467,482.75 = 780,193.11 : x
  2. Step 2: Convert to fraction form
    1,644,960.25/2,467,482.75 = 780,193.11/x
  3. Step 3: Cross multiply
    1,644,960.25x = 2,467,482.75 × 780,193.11
  4. Step 4: Simplify right side
    1,644,960.25x = 1,925,113,049,846.91
  5. Step 5: Solve for x
    x = 1,925,113,049,846.91/1,644,960.25
  6. Step 6: Final answer
    x = 1,170,309.77

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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.