Home / 724,457.10-1,086,846.92-238,161.22

Finding the Fourth Proportional to 724,457.10, 1,086,846.92 and 238,161.22

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Solution

The fourth proportional to 724,457.10, 1,086,846.92 and 238,161.22 is: 357,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,457.10 : 1,086,846.92 = 238,161.22 : x
  2. Step 2: Convert to fraction form
    724,457.10/1,086,846.92 = 238,161.22/x
  3. Step 3: Cross multiply
    724,457.10x = 1,086,846.92 × 238,161.22
  4. Step 4: Simplify right side
    724,457.10x = 258,844,788,420.44
  5. Step 5: Solve for x
    x = 258,844,788,420.44/724,457.10
  6. Step 6: Final answer
    x = 357,294.85

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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.