Home / 457,857.33-686,692.44-173,449.83

Finding the Fourth Proportional to 457,857.33, 686,692.44 and 173,449.83

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Solution

The fourth proportional to 457,857.33, 686,692.44 and 173,449.83 is: 260,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,857.33 : 686,692.44 = 173,449.83 : x
  2. Step 2: Convert to fraction form
    457,857.33/686,692.44 = 173,449.83/x
  3. Step 3: Cross multiply
    457,857.33x = 686,692.44 × 173,449.83
  4. Step 4: Simplify right side
    457,857.33x = 119,106,686,980.29
  5. Step 5: Solve for x
    x = 119,106,686,980.29/457,857.33
  6. Step 6: Final answer
    x = 260,139.30

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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.