Home / 449,252.89-619,965.84-245,303.69

Finding the Fourth Proportional to 449,252.89, 619,965.84 and 245,303.69

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Solution

The fourth proportional to 449,252.89, 619,965.84 and 245,303.69 is: 338,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,252.89 : 619,965.84 = 245,303.69 : x
  2. Step 2: Convert to fraction form
    449,252.89/619,965.84 = 245,303.69/x
  3. Step 3: Cross multiply
    449,252.89x = 619,965.84 × 245,303.69
  4. Step 4: Simplify right side
    449,252.89x = 152,079,908,225.95
  5. Step 5: Solve for x
    x = 152,079,908,225.95/449,252.89
  6. Step 6: Final answer
    x = 338,517.37

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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.