Home / 439,345.42-658,888.97-186,623.90

Finding the Fourth Proportional to 439,345.42, 658,888.97 and 186,623.90

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Solution

The fourth proportional to 439,345.42, 658,888.97 and 186,623.90 is: 279,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,345.42 : 658,888.97 = 186,623.90 : x
  2. Step 2: Convert to fraction form
    439,345.42/658,888.97 = 186,623.90/x
  3. Step 3: Cross multiply
    439,345.42x = 658,888.97 × 186,623.90
  4. Step 4: Simplify right side
    439,345.42x = 122,964,427,491.65
  5. Step 5: Solve for x
    x = 122,964,427,491.65/439,345.42
  6. Step 6: Final answer
    x = 279,880.98

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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.