Home / 639,156.74-882,006.78-367,033.18

Finding the Fourth Proportional to 639,156.74, 882,006.78 and 367,033.18

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Solution

The fourth proportional to 639,156.74, 882,006.78 and 367,033.18 is: 506,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,156.74 : 882,006.78 = 367,033.18 : x
  2. Step 2: Convert to fraction form
    639,156.74/882,006.78 = 367,033.18/x
  3. Step 3: Cross multiply
    639,156.74x = 882,006.78 × 367,033.18
  4. Step 4: Simplify right side
    639,156.74x = 323,725,753,244.96
  5. Step 5: Solve for x
    x = 323,725,753,244.96/639,156.74
  6. Step 6: Final answer
    x = 506,488.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.