Home / 563,944.09-778,243.01-305,820.96

Finding the Fourth Proportional to 563,944.09, 778,243.01 and 305,820.96

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Solution

The fourth proportional to 563,944.09, 778,243.01 and 305,820.96 is: 422,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,944.09 : 778,243.01 = 305,820.96 : x
  2. Step 2: Convert to fraction form
    563,944.09/778,243.01 = 305,820.96/x
  3. Step 3: Cross multiply
    563,944.09x = 778,243.01 × 305,820.96
  4. Step 4: Simplify right side
    563,944.09x = 238,003,020,540.28
  5. Step 5: Solve for x
    x = 238,003,020,540.28/563,944.09
  6. Step 6: Final answer
    x = 422,033.01

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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.