Home / 641,519.06-885,362.20-369,597.20

Finding the Fourth Proportional to 641,519.06, 885,362.20 and 369,597.20

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Solution

The fourth proportional to 641,519.06, 885,362.20 and 369,597.20 is: 510,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,519.06 : 885,362.20 = 369,597.20 : x
  2. Step 2: Convert to fraction form
    641,519.06/885,362.20 = 369,597.20/x
  3. Step 3: Cross multiply
    641,519.06x = 885,362.20 × 369,597.20
  4. Step 4: Simplify right side
    641,519.06x = 327,227,384,755.04
  5. Step 5: Solve for x
    x = 327,227,384,755.04/641,519.06
  6. Step 6: Final answer
    x = 510,082.10

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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.