Home / 603,628.12-831,952.38-442,140.04

Finding the Fourth Proportional to 603,628.12, 831,952.38 and 442,140.04

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Solution

The fourth proportional to 603,628.12, 831,952.38 and 442,140.04 is: 609,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,628.12 : 831,952.38 = 442,140.04 : x
  2. Step 2: Convert to fraction form
    603,628.12/831,952.38 = 442,140.04/x
  3. Step 3: Cross multiply
    603,628.12x = 831,952.38 × 442,140.04
  4. Step 4: Simplify right side
    603,628.12x = 367,839,458,571.30
  5. Step 5: Solve for x
    x = 367,839,458,571.30/603,628.12
  6. Step 6: Final answer
    x = 609,380.92

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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.