Home / 843,420.12-1,163,936.58-461,455.11

Finding the Fourth Proportional to 843,420.12, 1,163,936.58 and 461,455.11

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Solution

The fourth proportional to 843,420.12, 1,163,936.58 and 461,455.11 is: 636,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,420.12 : 1,163,936.58 = 461,455.11 : x
  2. Step 2: Convert to fraction form
    843,420.12/1,163,936.58 = 461,455.11/x
  3. Step 3: Cross multiply
    843,420.12x = 1,163,936.58 × 461,455.11
  4. Step 4: Simplify right side
    843,420.12x = 537,104,480,249.65
  5. Step 5: Solve for x
    x = 537,104,480,249.65/843,420.12
  6. Step 6: Final answer
    x = 636,817.25

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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.