Home / 603,170.16-831,913.59-409,727.03

Finding the Fourth Proportional to 603,170.16, 831,913.59 and 409,727.03

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Solution

The fourth proportional to 603,170.16, 831,913.59 and 409,727.03 is: 565,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,170.16 : 831,913.59 = 409,727.03 : x
  2. Step 2: Convert to fraction form
    603,170.16/831,913.59 = 409,727.03/x
  3. Step 3: Cross multiply
    603,170.16x = 831,913.59 × 409,727.03
  4. Step 4: Simplify right side
    603,170.16x = 340,857,479,519.53
  5. Step 5: Solve for x
    x = 340,857,479,519.53/603,170.16
  6. Step 6: Final answer
    x = 565,109.98

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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.