Home / 822,565.76-1,135,131.44-459,984.64

Finding the Fourth Proportional to 822,565.76, 1,135,131.44 and 459,984.64

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Solution

The fourth proportional to 822,565.76, 1,135,131.44 and 459,984.64 is: 634,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,565.76 : 1,135,131.44 = 459,984.64 : x
  2. Step 2: Convert to fraction form
    822,565.76/1,135,131.44 = 459,984.64/x
  3. Step 3: Cross multiply
    822,565.76x = 1,135,131.44 × 459,984.64
  4. Step 4: Simplify right side
    822,565.76x = 522,143,026,781.08
  5. Step 5: Solve for x
    x = 522,143,026,781.08/822,565.76
  6. Step 6: Final answer
    x = 634,773.60

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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.