Home / 495,915.09-743,436.32-196,606.05

Finding the Fourth Proportional to 495,915.09, 743,436.32 and 196,606.05

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Solution

The fourth proportional to 495,915.09, 743,436.32 and 196,606.05 is: 294,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,915.09 : 743,436.32 = 196,606.05 : x
  2. Step 2: Convert to fraction form
    495,915.09/743,436.32 = 196,606.05/x
  3. Step 3: Cross multiply
    495,915.09x = 743,436.32 × 196,606.05
  4. Step 4: Simplify right side
    495,915.09x = 146,164,077,318.71
  5. Step 5: Solve for x
    x = 146,164,077,318.71/495,915.09
  6. Step 6: Final answer
    x = 294,736.10

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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.