Home / 456,500.60-684,989.67-186,828.92

Finding the Fourth Proportional to 456,500.60, 684,989.67 and 186,828.92

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Solution

The fourth proportional to 456,500.60, 684,989.67 and 186,828.92 is: 280,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,500.60 : 684,989.67 = 186,828.92 : x
  2. Step 2: Convert to fraction form
    456,500.60/684,989.67 = 186,828.92/x
  3. Step 3: Cross multiply
    456,500.60x = 684,989.67 × 186,828.92
  4. Step 4: Simplify right side
    456,500.60x = 127,975,876,832.31
  5. Step 5: Solve for x
    x = 127,975,876,832.31/456,500.60
  6. Step 6: Final answer
    x = 280,341.10

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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.