Home / 723,834.38-1,085,751.57-495,905.24

Finding the Fourth Proportional to 723,834.38, 1,085,751.57 and 495,905.24

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Solution

The fourth proportional to 723,834.38, 1,085,751.57 and 495,905.24 is: 743,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,834.38 : 1,085,751.57 = 495,905.24 : x
  2. Step 2: Convert to fraction form
    723,834.38/1,085,751.57 = 495,905.24/x
  3. Step 3: Cross multiply
    723,834.38x = 1,085,751.57 × 495,905.24
  4. Step 4: Simplify right side
    723,834.38x = 538,429,892,901.23
  5. Step 5: Solve for x
    x = 538,429,892,901.23/723,834.38
  6. Step 6: Final answer
    x = 743,857.86

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1.5x scale

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.