Home / 1,398,184.40-2,092,457.64-858,082.16

Finding the Fourth Proportional to 1,398,184.40, 2,092,457.64 and 858,082.16

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Solution

The fourth proportional to 1,398,184.40, 2,092,457.64 and 858,082.16 is: 1,284,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,184.40 : 2,092,457.64 = 858,082.16 : x
  2. Step 2: Convert to fraction form
    1,398,184.40/2,092,457.64 = 858,082.16/x
  3. Step 3: Cross multiply
    1,398,184.40x = 2,092,457.64 × 858,082.16
  4. Step 4: Simplify right side
    1,398,184.40x = 1,795,500,571,439.70
  5. Step 5: Solve for x
    x = 1,795,500,571,439.70/1,398,184.40
  6. Step 6: Final answer
    x = 1,284,165.79

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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.