Home / 457,815.15-686,558.70-233,100.90

Finding the Fourth Proportional to 457,815.15, 686,558.70 and 233,100.90

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Solution

The fourth proportional to 457,815.15, 686,558.70 and 233,100.90 is: 349,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,815.15 : 686,558.70 = 233,100.90 : x
  2. Step 2: Convert to fraction form
    457,815.15/686,558.70 = 233,100.90/x
  3. Step 3: Cross multiply
    457,815.15x = 686,558.70 × 233,100.90
  4. Step 4: Simplify right side
    457,815.15x = 160,037,450,872.83
  5. Step 5: Solve for x
    x = 160,037,450,872.83/457,815.15
  6. Step 6: Final answer
    x = 349,567.84

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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.