Home / 833,078.45-1,149,646.28-451,105.22

Finding the Fourth Proportional to 833,078.45, 1,149,646.28 and 451,105.22

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Solution

The fourth proportional to 833,078.45, 1,149,646.28 and 451,105.22 is: 622,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,078.45 : 1,149,646.28 = 451,105.22 : x
  2. Step 2: Convert to fraction form
    833,078.45/1,149,646.28 = 451,105.22/x
  3. Step 3: Cross multiply
    833,078.45x = 1,149,646.28 × 451,105.22
  4. Step 4: Simplify right side
    833,078.45x = 518,611,438,680.17
  5. Step 5: Solve for x
    x = 518,611,438,680.17/833,078.45
  6. Step 6: Final answer
    x = 622,524.13

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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.