Home / 864,476.31-1,192,867.23-482,519.19

Finding the Fourth Proportional to 864,476.31, 1,192,867.23 and 482,519.19

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Solution

The fourth proportional to 864,476.31, 1,192,867.23 and 482,519.19 is: 665,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,476.31 : 1,192,867.23 = 482,519.19 : x
  2. Step 2: Convert to fraction form
    864,476.31/1,192,867.23 = 482,519.19/x
  3. Step 3: Cross multiply
    864,476.31x = 1,192,867.23 × 482,519.19
  4. Step 4: Simplify right side
    864,476.31x = 575,581,329,597.14
  5. Step 5: Solve for x
    x = 575,581,329,597.14/864,476.31
  6. Step 6: Final answer
    x = 665,815.04

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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.