Home / 948,274.42-1,308,618.13-518,554.56

Finding the Fourth Proportional to 948,274.42, 1,308,618.13 and 518,554.56

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Solution

The fourth proportional to 948,274.42, 1,308,618.13 and 518,554.56 is: 715,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,274.42 : 1,308,618.13 = 518,554.56 : x
  2. Step 2: Convert to fraction form
    948,274.42/1,308,618.13 = 518,554.56/x
  3. Step 3: Cross multiply
    948,274.42x = 1,308,618.13 × 518,554.56
  4. Step 4: Simplify right side
    948,274.42x = 678,589,898,610.17
  5. Step 5: Solve for x
    x = 678,589,898,610.17/948,274.42
  6. Step 6: Final answer
    x = 715,604.98

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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.