Home / 457,435.22-686,218.98-173,048.64

Finding the Fourth Proportional to 457,435.22, 686,218.98 and 173,048.64

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Solution

The fourth proportional to 457,435.22, 686,218.98 and 173,048.64 is: 259,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,435.22 : 686,218.98 = 173,048.64 : x
  2. Step 2: Convert to fraction form
    457,435.22/686,218.98 = 173,048.64/x
  3. Step 3: Cross multiply
    457,435.22x = 686,218.98 × 173,048.64
  4. Step 4: Simplify right side
    457,435.22x = 118,749,261,231.19
  5. Step 5: Solve for x
    x = 118,749,261,231.19/457,435.22
  6. Step 6: Final answer
    x = 259,597.98

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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.