Home / 646,923.33-892,760.23-356,545.28

Finding the Fourth Proportional to 646,923.33, 892,760.23 and 356,545.28

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Solution

The fourth proportional to 646,923.33, 892,760.23 and 356,545.28 is: 492,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,923.33 : 892,760.23 = 356,545.28 : x
  2. Step 2: Convert to fraction form
    646,923.33/892,760.23 = 356,545.28/x
  3. Step 3: Cross multiply
    646,923.33x = 892,760.23 × 356,545.28
  4. Step 4: Simplify right side
    646,923.33x = 318,309,446,178.21
  5. Step 5: Solve for x
    x = 318,309,446,178.21/646,923.33
  6. Step 6: Final answer
    x = 492,035.81

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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.