Home / 409,931.20-565,489.92-333,535.72

Finding the Fourth Proportional to 409,931.20, 565,489.92 and 333,535.72

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Solution

The fourth proportional to 409,931.20, 565,489.92 and 333,535.72 is: 460,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,931.20 : 565,489.92 = 333,535.72 : x
  2. Step 2: Convert to fraction form
    409,931.20/565,489.92 = 333,535.72/x
  3. Step 3: Cross multiply
    409,931.20x = 565,489.92 × 333,535.72
  4. Step 4: Simplify right side
    409,931.20x = 188,611,087,619.94
  5. Step 5: Solve for x
    x = 188,611,087,619.94/409,931.20
  6. Step 6: Final answer
    x = 460,104.25

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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.