Home / 483,215.04-666,737.28-279,192.96

Finding the Fourth Proportional to 483,215.04, 666,737.28 and 279,192.96

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Solution

The fourth proportional to 483,215.04, 666,737.28 and 279,192.96 is: 385,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,215.04 : 666,737.28 = 279,192.96 : x
  2. Step 2: Convert to fraction form
    483,215.04/666,737.28 = 279,192.96/x
  3. Step 3: Cross multiply
    483,215.04x = 666,737.28 × 279,192.96
  4. Step 4: Simplify right side
    483,215.04x = 186,148,354,745.55
  5. Step 5: Solve for x
    x = 186,148,354,745.55/483,215.04
  6. Step 6: Final answer
    x = 385,228.81

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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.