Home / 822,455.96-1,134,936.42-459,909.68

Finding the Fourth Proportional to 822,455.96, 1,134,936.42 and 459,909.68

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Solution

The fourth proportional to 822,455.96, 1,134,936.42 and 459,909.68 is: 634,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,455.96 : 1,134,936.42 = 459,909.68 : x
  2. Step 2: Convert to fraction form
    822,455.96/1,134,936.42 = 459,909.68/x
  3. Step 3: Cross multiply
    822,455.96x = 1,134,936.42 × 459,909.68
  4. Step 4: Simplify right side
    822,455.96x = 521,968,245,742.55
  5. Step 5: Solve for x
    x = 521,968,245,742.55/822,455.96
  6. Step 6: Final answer
    x = 634,645.83

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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.