Home / 790,813.84-1,091,401.16-451,332.88

Finding the Fourth Proportional to 790,813.84, 1,091,401.16 and 451,332.88

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Solution

The fourth proportional to 790,813.84, 1,091,401.16 and 451,332.88 is: 622,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,813.84 : 1,091,401.16 = 451,332.88 : x
  2. Step 2: Convert to fraction form
    790,813.84/1,091,401.16 = 451,332.88/x
  3. Step 3: Cross multiply
    790,813.84x = 1,091,401.16 × 451,332.88
  4. Step 4: Simplify right side
    790,813.84x = 492,585,228,778.14
  5. Step 5: Solve for x
    x = 492,585,228,778.14/790,813.84
  6. Step 6: Final answer
    x = 622,883.93

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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.