Home / 456,311.16-684,414.38-119,384.30

Finding the Fourth Proportional to 456,311.16, 684,414.38 and 119,384.30

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Solution

The fourth proportional to 456,311.16, 684,414.38 and 119,384.30 is: 179,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,311.16 : 684,414.38 = 119,384.30 : x
  2. Step 2: Convert to fraction form
    456,311.16/684,414.38 = 119,384.30/x
  3. Step 3: Cross multiply
    456,311.16x = 684,414.38 × 119,384.30
  4. Step 4: Simplify right side
    456,311.16x = 81,708,327,647.24
  5. Step 5: Solve for x
    x = 81,708,327,647.24/456,311.16
  6. Step 6: Final answer
    x = 179,062.74

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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.