Home / 663,983.76-916,300.49-362,184.24

Finding the Fourth Proportional to 663,983.76, 916,300.49 and 362,184.24

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Solution

The fourth proportional to 663,983.76, 916,300.49 and 362,184.24 is: 499,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,983.76 : 916,300.49 = 362,184.24 : x
  2. Step 2: Convert to fraction form
    663,983.76/916,300.49 = 362,184.24/x
  3. Step 3: Cross multiply
    663,983.76x = 916,300.49 × 362,184.24
  4. Step 4: Simplify right side
    663,983.76x = 331,869,594,771.36
  5. Step 5: Solve for x
    x = 331,869,594,771.36/663,983.76
  6. Step 6: Final answer
    x = 499,815.83

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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.