Home / 456,336.78-684,506.33-186,464.92

Finding the Fourth Proportional to 456,336.78, 684,506.33 and 186,464.92

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Solution

The fourth proportional to 456,336.78, 684,506.33 and 186,464.92 is: 279,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,336.78 : 684,506.33 = 186,464.92 : x
  2. Step 2: Convert to fraction form
    456,336.78/684,506.33 = 186,464.92/x
  3. Step 3: Cross multiply
    456,336.78x = 684,506.33 × 186,464.92
  4. Step 4: Simplify right side
    456,336.78x = 127,636,421,076.46
  5. Step 5: Solve for x
    x = 127,636,421,076.46/456,336.78
  6. Step 6: Final answer
    x = 279,697.86

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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.