Home / 449,271.46-619,970.15-255,673.36

Finding the Fourth Proportional to 449,271.46, 619,970.15 and 255,673.36

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Solution

The fourth proportional to 449,271.46, 619,970.15 and 255,673.36 is: 352,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,271.46 : 619,970.15 = 255,673.36 : x
  2. Step 2: Convert to fraction form
    449,271.46/619,970.15 = 255,673.36/x
  3. Step 3: Cross multiply
    449,271.46x = 619,970.15 × 255,673.36
  4. Step 4: Simplify right side
    449,271.46x = 158,509,852,764.35
  5. Step 5: Solve for x
    x = 158,509,852,764.35/449,271.46
  6. Step 6: Final answer
    x = 352,815.32

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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.