Home / 758,443.20-1,137,457.44-285,092.16

Finding the Fourth Proportional to 758,443.20, 1,137,457.44 and 285,092.16

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Solution

The fourth proportional to 758,443.20, 1,137,457.44 and 285,092.16 is: 427,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,443.20 : 1,137,457.44 = 285,092.16 : x
  2. Step 2: Convert to fraction form
    758,443.20/1,137,457.44 = 285,092.16/x
  3. Step 3: Cross multiply
    758,443.20x = 1,137,457.44 × 285,092.16
  4. Step 4: Simplify right side
    758,443.20x = 324,280,198,477.67
  5. Step 5: Solve for x
    x = 324,280,198,477.67/758,443.20
  6. Step 6: Final answer
    x = 427,560.30

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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.