Home / 639,154.26-882,003.32-367,030.72

Finding the Fourth Proportional to 639,154.26, 882,003.32 and 367,030.72

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Solution

The fourth proportional to 639,154.26, 882,003.32 and 367,030.72 is: 506,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,154.26 : 882,003.32 = 367,030.72 : x
  2. Step 2: Convert to fraction form
    639,154.26/882,003.32 = 367,030.72/x
  3. Step 3: Cross multiply
    639,154.26x = 882,003.32 × 367,030.72
  4. Step 4: Simplify right side
    639,154.26x = 323,722,313,581.99
  5. Step 5: Solve for x
    x = 323,722,313,581.99/639,154.26
  6. Step 6: Final answer
    x = 506,485.42

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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.