Home / 823,409.20-1,235,113.80-557,297.20

Finding the Fourth Proportional to 823,409.20, 1,235,113.80 and 557,297.20

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Solution

The fourth proportional to 823,409.20, 1,235,113.80 and 557,297.20 is: 835,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,409.20 : 1,235,113.80 = 557,297.20 : x
  2. Step 2: Convert to fraction form
    823,409.20/1,235,113.80 = 557,297.20/x
  3. Step 3: Cross multiply
    823,409.20x = 1,235,113.80 × 557,297.20
  4. Step 4: Simplify right side
    823,409.20x = 688,325,462,421.36
  5. Step 5: Solve for x
    x = 688,325,462,421.36/823,409.20
  6. Step 6: Final answer
    x = 835,945.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.