Home / 344,546.40-516,819.60-297,890.40

Finding the Fourth Proportional to 344,546.40, 516,819.60 and 297,890.40

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Solution

The fourth proportional to 344,546.40, 516,819.60 and 297,890.40 is: 446,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,546.40 : 516,819.60 = 297,890.40 : x
  2. Step 2: Convert to fraction form
    344,546.40/516,819.60 = 297,890.40/x
  3. Step 3: Cross multiply
    344,546.40x = 516,819.60 × 297,890.40
  4. Step 4: Simplify right side
    344,546.40x = 153,955,597,371.84
  5. Step 5: Solve for x
    x = 153,955,597,371.84/344,546.40
  6. Step 6: Final answer
    x = 446,835.60

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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.