Home / 448,972.60-619,688.24-258,096.72

Finding the Fourth Proportional to 448,972.60, 619,688.24 and 258,096.72

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Solution

The fourth proportional to 448,972.60, 619,688.24 and 258,096.72 is: 356,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,972.60 : 619,688.24 = 258,096.72 : x
  2. Step 2: Convert to fraction form
    448,972.60/619,688.24 = 258,096.72/x
  3. Step 3: Cross multiply
    448,972.60x = 619,688.24 × 258,096.72
  4. Step 4: Simplify right side
    448,972.60x = 159,939,502,166.57
  5. Step 5: Solve for x
    x = 159,939,502,166.57/448,972.60
  6. Step 6: Final answer
    x = 356,234.44

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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.