Home / 639,087.03-882,018.21-367,154.42

Finding the Fourth Proportional to 639,087.03, 882,018.21 and 367,154.42

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Solution

The fourth proportional to 639,087.03, 882,018.21 and 367,154.42 is: 506,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,087.03 : 882,018.21 = 367,154.42 : x
  2. Step 2: Convert to fraction form
    639,087.03/882,018.21 = 367,154.42/x
  3. Step 3: Cross multiply
    639,087.03x = 882,018.21 × 367,154.42
  4. Step 4: Simplify right side
    639,087.03x = 323,836,879,911.90
  5. Step 5: Solve for x
    x = 323,836,879,911.90/639,087.03
  6. Step 6: Final answer
    x = 506,717.97

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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.