Home / 620,132.05-928,574.23-406,227.05

Finding the Fourth Proportional to 620,132.05, 928,574.23 and 406,227.05

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Solution

The fourth proportional to 620,132.05, 928,574.23 and 406,227.05 is: 608,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,132.05 : 928,574.23 = 406,227.05 : x
  2. Step 2: Convert to fraction form
    620,132.05/928,574.23 = 406,227.05/x
  3. Step 3: Cross multiply
    620,132.05x = 928,574.23 × 406,227.05
  4. Step 4: Simplify right side
    620,132.05x = 377,211,968,744.31
  5. Step 5: Solve for x
    x = 377,211,968,744.31/620,132.05
  6. Step 6: Final answer
    x = 608,276.85

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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.