Home / 572,384.21-857,769.13-316,332.09

Finding the Fourth Proportional to 572,384.21, 857,769.13 and 316,332.09

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Solution

The fourth proportional to 572,384.21, 857,769.13 and 316,332.09 is: 474,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,384.21 : 857,769.13 = 316,332.09 : x
  2. Step 2: Convert to fraction form
    572,384.21/857,769.13 = 316,332.09/x
  3. Step 3: Cross multiply
    572,384.21x = 857,769.13 × 316,332.09
  4. Step 4: Simplify right side
    572,384.21x = 271,339,901,630.38
  5. Step 5: Solve for x
    x = 271,339,901,630.38/572,384.21
  6. Step 6: Final answer
    x = 474,052.04

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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.