Home / 806,182.64-1,206,616.44-445,799.12

Finding the Fourth Proportional to 806,182.64, 1,206,616.44 and 445,799.12

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Solution

The fourth proportional to 806,182.64, 1,206,616.44 and 445,799.12 is: 667,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,182.64 : 1,206,616.44 = 445,799.12 : x
  2. Step 2: Convert to fraction form
    806,182.64/1,206,616.44 = 445,799.12/x
  3. Step 3: Cross multiply
    806,182.64x = 1,206,616.44 × 445,799.12
  4. Step 4: Simplify right side
    806,182.64x = 537,908,547,129.53
  5. Step 5: Solve for x
    x = 537,908,547,129.53/806,182.64
  6. Step 6: Final answer
    x = 667,229.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.