Home / 1,447,807.90-1,996,328.73-923,813.64

Finding the Fourth Proportional to 1,447,807.90, 1,996,328.73 and 923,813.64

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Solution

The fourth proportional to 1,447,807.90, 1,996,328.73 and 923,813.64 is: 1,273,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,807.90 : 1,996,328.73 = 923,813.64 : x
  2. Step 2: Convert to fraction form
    1,447,807.90/1,996,328.73 = 923,813.64/x
  3. Step 3: Cross multiply
    1,447,807.90x = 1,996,328.73 × 923,813.64
  4. Step 4: Simplify right side
    1,447,807.90x = 1,844,235,701,087.99
  5. Step 5: Solve for x
    x = 1,844,235,701,087.99/1,447,807.90
  6. Step 6: Final answer
    x = 1,273,812.43

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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.