Home / 389,382.12-583,869.60-175,966.56

Finding the Fourth Proportional to 389,382.12, 583,869.60 and 175,966.56

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Solution

The fourth proportional to 389,382.12, 583,869.60 and 175,966.56 is: 263,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,382.12 : 583,869.60 = 175,966.56 : x
  2. Step 2: Convert to fraction form
    389,382.12/583,869.60 = 175,966.56/x
  3. Step 3: Cross multiply
    389,382.12x = 583,869.60 × 175,966.56
  4. Step 4: Simplify right side
    389,382.12x = 102,741,525,000.58
  5. Step 5: Solve for x
    x = 102,741,525,000.58/389,382.12
  6. Step 6: Final answer
    x = 263,857.84

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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.