Home / 1,240,016.82-1,860,142.88-481,916.87

Finding the Fourth Proportional to 1,240,016.82, 1,860,142.88 and 481,916.87

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Solution

The fourth proportional to 1,240,016.82, 1,860,142.88 and 481,916.87 is: 722,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,016.82 : 1,860,142.88 = 481,916.87 : x
  2. Step 2: Convert to fraction form
    1,240,016.82/1,860,142.88 = 481,916.87/x
  3. Step 3: Cross multiply
    1,240,016.82x = 1,860,142.88 × 481,916.87
  4. Step 4: Simplify right side
    1,240,016.82x = 896,434,234,482.39
  5. Step 5: Solve for x
    x = 896,434,234,482.39/1,240,016.82
  6. Step 6: Final answer
    x = 722,921.03

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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.