Home / 898,246.58-1,239,536.76-511,025.54

Finding the Fourth Proportional to 898,246.58, 1,239,536.76 and 511,025.54

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Solution

The fourth proportional to 898,246.58, 1,239,536.76 and 511,025.54 is: 705,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,246.58 : 1,239,536.76 = 511,025.54 : x
  2. Step 2: Convert to fraction form
    898,246.58/1,239,536.76 = 511,025.54/x
  3. Step 3: Cross multiply
    898,246.58x = 1,239,536.76 × 511,025.54
  4. Step 4: Simplify right side
    898,246.58x = 633,434,942,128.85
  5. Step 5: Solve for x
    x = 633,434,942,128.85/898,246.58
  6. Step 6: Final answer
    x = 705,190.49

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1.5x scale

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.