Home / 823,259.70-1,234,526.67-262,350.90

Finding the Fourth Proportional to 823,259.70, 1,234,526.67 and 262,350.90

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Solution

The fourth proportional to 823,259.70, 1,234,526.67 and 262,350.90 is: 393,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,259.70 : 1,234,526.67 = 262,350.90 : x
  2. Step 2: Convert to fraction form
    823,259.70/1,234,526.67 = 262,350.90/x
  3. Step 3: Cross multiply
    823,259.70x = 1,234,526.67 × 262,350.90
  4. Step 4: Simplify right side
    823,259.70x = 323,879,182,948.50
  5. Step 5: Solve for x
    x = 323,879,182,948.50/823,259.70
  6. Step 6: Final answer
    x = 393,410.71

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Double scale
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Similar ratio
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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.