Home / 374,317.92-516,583.28-211,014.72

Finding the Fourth Proportional to 374,317.92, 516,583.28 and 211,014.72

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Solution

The fourth proportional to 374,317.92, 516,583.28 and 211,014.72 is: 291,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,317.92 : 516,583.28 = 211,014.72 : x
  2. Step 2: Convert to fraction form
    374,317.92/516,583.28 = 211,014.72/x
  3. Step 3: Cross multiply
    374,317.92x = 516,583.28 × 211,014.72
  4. Step 4: Simplify right side
    374,317.92x = 109,006,676,185.88
  5. Step 5: Solve for x
    x = 109,006,676,185.88/374,317.92
  6. Step 6: Final answer
    x = 291,214.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.