Home / 449,198.60-619,947.06-258,220.04

Finding the Fourth Proportional to 449,198.60, 619,947.06 and 258,220.04

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Solution

The fourth proportional to 449,198.60, 619,947.06 and 258,220.04 is: 356,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,198.60 : 619,947.06 = 258,220.04 : x
  2. Step 2: Convert to fraction form
    449,198.60/619,947.06 = 258,220.04/x
  3. Step 3: Cross multiply
    449,198.60x = 619,947.06 × 258,220.04
  4. Step 4: Simplify right side
    449,198.60x = 160,082,754,631.08
  5. Step 5: Solve for x
    x = 160,082,754,631.08/449,198.60
  6. Step 6: Final answer
    x = 356,374.12

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1.5x scale

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.