Home / 620,135.55-928,579.41-406,230.75

Finding the Fourth Proportional to 620,135.55, 928,579.41 and 406,230.75

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Solution

The fourth proportional to 620,135.55, 928,579.41 and 406,230.75 is: 608,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,135.55 : 928,579.41 = 406,230.75 : x
  2. Step 2: Convert to fraction form
    620,135.55/928,579.41 = 406,230.75/x
  3. Step 3: Cross multiply
    620,135.55x = 928,579.41 × 406,230.75
  4. Step 4: Simplify right side
    620,135.55x = 377,217,510,158.86
  5. Step 5: Solve for x
    x = 377,217,510,158.86/620,135.55
  6. Step 6: Final answer
    x = 608,282.35

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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.