Home / 1,100,763.54-1,519,056.45-642,193.38

Finding the Fourth Proportional to 1,100,763.54, 1,519,056.45 and 642,193.38

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Solution

The fourth proportional to 1,100,763.54, 1,519,056.45 and 642,193.38 is: 886,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,763.54 : 1,519,056.45 = 642,193.38 : x
  2. Step 2: Convert to fraction form
    1,100,763.54/1,519,056.45 = 642,193.38/x
  3. Step 3: Cross multiply
    1,100,763.54x = 1,519,056.45 × 642,193.38
  4. Step 4: Simplify right side
    1,100,763.54x = 975,527,996,036.30
  5. Step 5: Solve for x
    x = 975,527,996,036.30/1,100,763.54
  6. Step 6: Final answer
    x = 886,228.48

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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.