Home / 448,870.41-673,298.33-212,382.81

Finding the Fourth Proportional to 448,870.41, 673,298.33 and 212,382.81

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Solution

The fourth proportional to 448,870.41, 673,298.33 and 212,382.81 is: 318,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,870.41 : 673,298.33 = 212,382.81 : x
  2. Step 2: Convert to fraction form
    448,870.41/673,298.33 = 212,382.81/x
  3. Step 3: Cross multiply
    448,870.41x = 673,298.33 × 212,382.81
  4. Step 4: Simplify right side
    448,870.41x = 142,996,990,231.79
  5. Step 5: Solve for x
    x = 142,996,990,231.79/448,870.41
  6. Step 6: Final answer
    x = 318,570.77

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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.