Home / 495,288.72-743,039.76-153,725.04

Finding the Fourth Proportional to 495,288.72, 743,039.76 and 153,725.04

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Solution

The fourth proportional to 495,288.72, 743,039.76 and 153,725.04 is: 230,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,288.72 : 743,039.76 = 153,725.04 : x
  2. Step 2: Convert to fraction form
    495,288.72/743,039.76 = 153,725.04/x
  3. Step 3: Cross multiply
    495,288.72x = 743,039.76 × 153,725.04
  4. Step 4: Simplify right side
    495,288.72x = 114,223,816,827.59
  5. Step 5: Solve for x
    x = 114,223,816,827.59/495,288.72
  6. Step 6: Final answer
    x = 230,620.67

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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.