Home / 330,810.72-456,509.04-187,583.84

Finding the Fourth Proportional to 330,810.72, 456,509.04 and 187,583.84

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Solution

The fourth proportional to 330,810.72, 456,509.04 and 187,583.84 is: 258,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,810.72 : 456,509.04 = 187,583.84 : x
  2. Step 2: Convert to fraction form
    330,810.72/456,509.04 = 187,583.84/x
  3. Step 3: Cross multiply
    330,810.72x = 456,509.04 × 187,583.84
  4. Step 4: Simplify right side
    330,810.72x = 85,633,718,717.91
  5. Step 5: Solve for x
    x = 85,633,718,717.91/330,810.72
  6. Step 6: Final answer
    x = 258,860.17

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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.