Home / 1,151,223.11-1,727,194.30-393,082.55

Finding the Fourth Proportional to 1,151,223.11, 1,727,194.30 and 393,082.55

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Solution

The fourth proportional to 1,151,223.11, 1,727,194.30 and 393,082.55 is: 589,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,223.11 : 1,727,194.30 = 393,082.55 : x
  2. Step 2: Convert to fraction form
    1,151,223.11/1,727,194.30 = 393,082.55/x
  3. Step 3: Cross multiply
    1,151,223.11x = 1,727,194.30 × 393,082.55
  4. Step 4: Simplify right side
    1,151,223.11x = 678,929,930,170.79
  5. Step 5: Solve for x
    x = 678,929,930,170.79/1,151,223.11
  6. Step 6: Final answer
    x = 589,746.62

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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.