Home / 443,586.52-664,904.63-316,842.38

Finding the Fourth Proportional to 443,586.52, 664,904.63 and 316,842.38

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Solution

The fourth proportional to 443,586.52, 664,904.63 and 316,842.38 is: 474,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,586.52 : 664,904.63 = 316,842.38 : x
  2. Step 2: Convert to fraction form
    443,586.52/664,904.63 = 316,842.38/x
  3. Step 3: Cross multiply
    443,586.52x = 664,904.63 × 316,842.38
  4. Step 4: Simplify right side
    443,586.52x = 210,669,965,403.20
  5. Step 5: Solve for x
    x = 210,669,965,403.20/443,586.52
  6. Step 6: Final answer
    x = 474,924.18

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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.