Home / 843,115.80-1,163,527.64-461,142.60

Finding the Fourth Proportional to 843,115.80, 1,163,527.64 and 461,142.60

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Solution

The fourth proportional to 843,115.80, 1,163,527.64 and 461,142.60 is: 636,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,115.80 : 1,163,527.64 = 461,142.60 : x
  2. Step 2: Convert to fraction form
    843,115.80/1,163,527.64 = 461,142.60/x
  3. Step 3: Cross multiply
    843,115.80x = 1,163,527.64 × 461,142.60
  4. Step 4: Simplify right side
    843,115.80x = 536,552,161,081.46
  5. Step 5: Solve for x
    x = 536,552,161,081.46/843,115.80
  6. Step 6: Final answer
    x = 636,392.01

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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.