Home / 874,214.10-1,206,471.24-530,082.90

Finding the Fourth Proportional to 874,214.10, 1,206,471.24 and 530,082.90

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Solution

The fourth proportional to 874,214.10, 1,206,471.24 and 530,082.90 is: 731,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,214.10 : 1,206,471.24 = 530,082.90 : x
  2. Step 2: Convert to fraction form
    874,214.10/1,206,471.24 = 530,082.90/x
  3. Step 3: Cross multiply
    874,214.10x = 1,206,471.24 × 530,082.90
  4. Step 4: Simplify right side
    874,214.10x = 639,529,773,665.80
  5. Step 5: Solve for x
    x = 639,529,773,665.80/874,214.10
  6. Step 6: Final answer
    x = 731,548.23

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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.