Home / 1,516,874.66-2,274,431.72-718,149.45

Finding the Fourth Proportional to 1,516,874.66, 2,274,431.72 and 718,149.45

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Solution

The fourth proportional to 1,516,874.66, 2,274,431.72 and 718,149.45 is: 1,076,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,874.66 : 2,274,431.72 = 718,149.45 : x
  2. Step 2: Convert to fraction form
    1,516,874.66/2,274,431.72 = 718,149.45/x
  3. Step 3: Cross multiply
    1,516,874.66x = 2,274,431.72 × 718,149.45
  4. Step 4: Simplify right side
    1,516,874.66x = 1,633,381,885,189.81
  5. Step 5: Solve for x
    x = 1,633,381,885,189.81/1,516,874.66
  6. Step 6: Final answer
    x = 1,076,807.42

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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.