Home / 586,501.20-879,665.40-165,819.60

Finding the Fourth Proportional to 586,501.20, 879,665.40 and 165,819.60

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Solution

The fourth proportional to 586,501.20, 879,665.40 and 165,819.60 is: 248,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,501.20 : 879,665.40 = 165,819.60 : x
  2. Step 2: Convert to fraction form
    586,501.20/879,665.40 = 165,819.60/x
  3. Step 3: Cross multiply
    586,501.20x = 879,665.40 × 165,819.60
  4. Step 4: Simplify right side
    586,501.20x = 145,865,764,761.84
  5. Step 5: Solve for x
    x = 145,865,764,761.84/586,501.20
  6. Step 6: Final answer
    x = 248,704.97

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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.