Home / 448,932.18-619,632.78-258,056.46

Finding the Fourth Proportional to 448,932.18, 619,632.78 and 258,056.46

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Solution

The fourth proportional to 448,932.18, 619,632.78 and 258,056.46 is: 356,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,932.18 : 619,632.78 = 258,056.46 : x
  2. Step 2: Convert to fraction form
    448,932.18/619,632.78 = 258,056.46/x
  3. Step 3: Cross multiply
    448,932.18x = 619,632.78 × 258,056.46
  4. Step 4: Simplify right side
    448,932.18x = 159,900,241,706.76
  5. Step 5: Solve for x
    x = 159,900,241,706.76/448,932.18
  6. Step 6: Final answer
    x = 356,179.06

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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.