Home / 449,232.87-619,936.63-245,283.15

Finding the Fourth Proportional to 449,232.87, 619,936.63 and 245,283.15

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Solution

The fourth proportional to 449,232.87, 619,936.63 and 245,283.15 is: 338,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,232.87 : 619,936.63 = 245,283.15 : x
  2. Step 2: Convert to fraction form
    449,232.87/619,936.63 = 245,283.15/x
  3. Step 3: Cross multiply
    449,232.87x = 619,936.63 × 245,283.15
  4. Step 4: Simplify right side
    449,232.87x = 152,060,009,406.79
  5. Step 5: Solve for x
    x = 152,060,009,406.79/449,232.87
  6. Step 6: Final answer
    x = 338,488.16

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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.