Home / 808,049.52-1,115,116.08-445,486.64

Finding the Fourth Proportional to 808,049.52, 1,115,116.08 and 445,486.64

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Solution

The fourth proportional to 808,049.52, 1,115,116.08 and 445,486.64 is: 614,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,049.52 : 1,115,116.08 = 445,486.64 : x
  2. Step 2: Convert to fraction form
    808,049.52/1,115,116.08 = 445,486.64/x
  3. Step 3: Cross multiply
    808,049.52x = 1,115,116.08 × 445,486.64
  4. Step 4: Simplify right side
    808,049.52x = 496,769,315,689.17
  5. Step 5: Solve for x
    x = 496,769,315,689.17/808,049.52
  6. Step 6: Final answer
    x = 614,775.83

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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.