Home / 383,541.12-573,769.92-331,509.12

Finding the Fourth Proportional to 383,541.12, 573,769.92 and 331,509.12

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Solution

The fourth proportional to 383,541.12, 573,769.92 and 331,509.12 is: 495,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,541.12 : 573,769.92 = 331,509.12 : x
  2. Step 2: Convert to fraction form
    383,541.12/573,769.92 = 331,509.12/x
  3. Step 3: Cross multiply
    383,541.12x = 573,769.92 × 331,509.12
  4. Step 4: Simplify right side
    383,541.12x = 190,209,961,261.67
  5. Step 5: Solve for x
    x = 190,209,961,261.67/383,541.12
  6. Step 6: Final answer
    x = 495,931.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.