Home / 578,456.10-798,260.67-323,816.40

Finding the Fourth Proportional to 578,456.10, 798,260.67 and 323,816.40

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Solution

The fourth proportional to 578,456.10, 798,260.67 and 323,816.40 is: 446,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,456.10 : 798,260.67 = 323,816.40 : x
  2. Step 2: Convert to fraction form
    578,456.10/798,260.67 = 323,816.40/x
  3. Step 3: Cross multiply
    578,456.10x = 798,260.67 × 323,816.40
  4. Step 4: Simplify right side
    578,456.10x = 258,489,896,420.99
  5. Step 5: Solve for x
    x = 258,489,896,420.99/578,456.10
  6. Step 6: Final answer
    x = 446,861.73

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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.