Home / 578,165.40-797,890.50-323,511.12

Finding the Fourth Proportional to 578,165.40, 797,890.50 and 323,511.12

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Solution

The fourth proportional to 578,165.40, 797,890.50 and 323,511.12 is: 446,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,165.40 : 797,890.50 = 323,511.12 : x
  2. Step 2: Convert to fraction form
    578,165.40/797,890.50 = 323,511.12/x
  3. Step 3: Cross multiply
    578,165.40x = 797,890.50 × 323,511.12
  4. Step 4: Simplify right side
    578,165.40x = 258,126,449,292.36
  5. Step 5: Solve for x
    x = 258,126,449,292.36/578,165.40
  6. Step 6: Final answer
    x = 446,457.79

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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.