Home / 822,571.34-1,135,140.64-459,991.04

Finding the Fourth Proportional to 822,571.34, 1,135,140.64 and 459,991.04

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Solution

The fourth proportional to 822,571.34, 1,135,140.64 and 459,991.04 is: 634,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,571.34 : 1,135,140.64 = 459,991.04 : x
  2. Step 2: Convert to fraction form
    822,571.34/1,135,140.64 = 459,991.04/x
  3. Step 3: Cross multiply
    822,571.34x = 1,135,140.64 × 459,991.04
  4. Step 4: Simplify right side
    822,571.34x = 522,154,523,539.87
  5. Step 5: Solve for x
    x = 522,154,523,539.87/822,571.34
  6. Step 6: Final answer
    x = 634,783.27

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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.