Home / 1,657,872.72-2,486,808.94-459,795.03

Finding the Fourth Proportional to 1,657,872.72, 2,486,808.94 and 459,795.03

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Solution

The fourth proportional to 1,657,872.72, 2,486,808.94 and 459,795.03 is: 689,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,872.72 : 2,486,808.94 = 459,795.03 : x
  2. Step 2: Convert to fraction form
    1,657,872.72/2,486,808.94 = 459,795.03/x
  3. Step 3: Cross multiply
    1,657,872.72x = 2,486,808.94 × 459,795.03
  4. Step 4: Simplify right side
    1,657,872.72x = 1,143,422,391,171.57
  5. Step 5: Solve for x
    x = 1,143,422,391,171.57/1,657,872.72
  6. Step 6: Final answer
    x = 689,692.51

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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.