Home / 663,983.01-916,299.45-362,183.49

Finding the Fourth Proportional to 663,983.01, 916,299.45 and 362,183.49

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Solution

The fourth proportional to 663,983.01, 916,299.45 and 362,183.49 is: 499,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,983.01 : 916,299.45 = 362,183.49 : x
  2. Step 2: Convert to fraction form
    663,983.01/916,299.45 = 362,183.49/x
  3. Step 3: Cross multiply
    663,983.01x = 916,299.45 × 362,183.49
  4. Step 4: Simplify right side
    663,983.01x = 331,868,532,686.08
  5. Step 5: Solve for x
    x = 331,868,532,686.08/663,983.01
  6. Step 6: Final answer
    x = 499,814.80

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Double scale
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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.