Home / 903,794.63-1,247,259.54-495,896.36

Finding the Fourth Proportional to 903,794.63, 1,247,259.54 and 495,896.36

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Solution

The fourth proportional to 903,794.63, 1,247,259.54 and 495,896.36 is: 684,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,794.63 : 1,247,259.54 = 495,896.36 : x
  2. Step 2: Convert to fraction form
    903,794.63/1,247,259.54 = 495,896.36/x
  3. Step 3: Cross multiply
    903,794.63x = 1,247,259.54 × 495,896.36
  4. Step 4: Simplify right side
    903,794.63x = 618,511,465,861.27
  5. Step 5: Solve for x
    x = 618,511,465,861.27/903,794.63
  6. Step 6: Final answer
    x = 684,349.57

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1.5x scale

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.