Home / 594,621.48-820,579.77-322,689.30

Finding the Fourth Proportional to 594,621.48, 820,579.77 and 322,689.30

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Solution

The fourth proportional to 594,621.48, 820,579.77 and 322,689.30 is: 445,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,621.48 : 820,579.77 = 322,689.30 : x
  2. Step 2: Convert to fraction form
    594,621.48/820,579.77 = 322,689.30/x
  3. Step 3: Cross multiply
    594,621.48x = 820,579.77 × 322,689.30
  4. Step 4: Simplify right side
    594,621.48x = 264,792,311,575.46
  5. Step 5: Solve for x
    x = 264,792,311,575.46/594,621.48
  6. Step 6: Final answer
    x = 445,312.39

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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.