Home / 822,286.44-1,134,780.28-459,725.56

Finding the Fourth Proportional to 822,286.44, 1,134,780.28 and 459,725.56

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Solution

The fourth proportional to 822,286.44, 1,134,780.28 and 459,725.56 is: 634,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,286.44 : 1,134,780.28 = 459,725.56 : x
  2. Step 2: Convert to fraction form
    822,286.44/1,134,780.28 = 459,725.56/x
  3. Step 3: Cross multiply
    822,286.44x = 1,134,780.28 × 459,725.56
  4. Step 4: Simplify right side
    822,286.44x = 521,687,499,699.96
  5. Step 5: Solve for x
    x = 521,687,499,699.96/822,286.44
  6. Step 6: Final answer
    x = 634,435.25

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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.