Home / 663,998.04-916,320.18-362,198.52

Finding the Fourth Proportional to 663,998.04, 916,320.18 and 362,198.52

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Solution

The fourth proportional to 663,998.04, 916,320.18 and 362,198.52 is: 499,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,998.04 : 916,320.18 = 362,198.52 : x
  2. Step 2: Convert to fraction form
    663,998.04/916,320.18 = 362,198.52/x
  3. Step 3: Cross multiply
    663,998.04x = 916,320.18 × 362,198.52
  4. Step 4: Simplify right side
    663,998.04x = 331,889,813,042.13
  5. Step 5: Solve for x
    x = 331,889,813,042.13/663,998.04
  6. Step 6: Final answer
    x = 499,835.53

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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.