Home / 449,238.30-619,944.08-245,288.58

Finding the Fourth Proportional to 449,238.30, 619,944.08 and 245,288.58

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Solution

The fourth proportional to 449,238.30, 619,944.08 and 245,288.58 is: 338,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,238.30 : 619,944.08 = 245,288.58 : x
  2. Step 2: Convert to fraction form
    449,238.30/619,944.08 = 245,288.58/x
  3. Step 3: Cross multiply
    449,238.30x = 619,944.08 × 245,288.58
  4. Step 4: Simplify right side
    449,238.30x = 152,065,199,962.89
  5. Step 5: Solve for x
    x = 152,065,199,962.89/449,238.30
  6. Step 6: Final answer
    x = 338,495.63

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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.