Home / 456,029.12-684,182.08-323,166.40

Finding the Fourth Proportional to 456,029.12, 684,182.08 and 323,166.40

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Solution

The fourth proportional to 456,029.12, 684,182.08 and 323,166.40 is: 484,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,029.12 : 684,182.08 = 323,166.40 : x
  2. Step 2: Convert to fraction form
    456,029.12/684,182.08 = 323,166.40/x
  3. Step 3: Cross multiply
    456,029.12x = 684,182.08 × 323,166.40
  4. Step 4: Simplify right side
    456,029.12x = 221,104,659,738.11
  5. Step 5: Solve for x
    x = 221,104,659,738.11/456,029.12
  6. Step 6: Final answer
    x = 484,847.68

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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.