Home / 693,018.56-1,039,615.32-243,633.80

Finding the Fourth Proportional to 693,018.56, 1,039,615.32 and 243,633.80

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Solution

The fourth proportional to 693,018.56, 1,039,615.32 and 243,633.80 is: 365,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,018.56 : 1,039,615.32 = 243,633.80 : x
  2. Step 2: Convert to fraction form
    693,018.56/1,039,615.32 = 243,633.80/x
  3. Step 3: Cross multiply
    693,018.56x = 1,039,615.32 × 243,633.80
  4. Step 4: Simplify right side
    693,018.56x = 253,285,430,949.82
  5. Step 5: Solve for x
    x = 253,285,430,949.82/693,018.56
  6. Step 6: Final answer
    x = 365,481.45

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Double scale
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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.