Home / 724,116.10-1,086,692.55-303,693.70

Finding the Fourth Proportional to 724,116.10, 1,086,692.55 and 303,693.70

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Solution

The fourth proportional to 724,116.10, 1,086,692.55 and 303,693.70 is: 455,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,116.10 : 1,086,692.55 = 303,693.70 : x
  2. Step 2: Convert to fraction form
    724,116.10/1,086,692.55 = 303,693.70/x
  3. Step 3: Cross multiply
    724,116.10x = 1,086,692.55 × 303,693.70
  4. Step 4: Simplify right side
    724,116.10x = 330,021,681,271.94
  5. Step 5: Solve for x
    x = 330,021,681,271.94/724,116.10
  6. Step 6: Final answer
    x = 455,757.97

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1.5x scale

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.