Home / 639,215.28-882,166.95-367,378.07

Finding the Fourth Proportional to 639,215.28, 882,166.95 and 367,378.07

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Solution

The fourth proportional to 639,215.28, 882,166.95 and 367,378.07 is: 507,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,215.28 : 882,166.95 = 367,378.07 : x
  2. Step 2: Convert to fraction form
    639,215.28/882,166.95 = 367,378.07/x
  3. Step 3: Cross multiply
    639,215.28x = 882,166.95 × 367,378.07
  4. Step 4: Simplify right side
    639,215.28x = 324,088,787,097.95
  5. Step 5: Solve for x
    x = 324,088,787,097.95/639,215.28
  6. Step 6: Final answer
    x = 507,010.39

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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.