Home / 382,048.45-527,225.09-218,704.05

Finding the Fourth Proportional to 382,048.45, 527,225.09 and 218,704.05

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Solution

The fourth proportional to 382,048.45, 527,225.09 and 218,704.05 is: 301,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,048.45 : 527,225.09 = 218,704.05 : x
  2. Step 2: Convert to fraction form
    382,048.45/527,225.09 = 218,704.05/x
  3. Step 3: Cross multiply
    382,048.45x = 527,225.09 × 218,704.05
  4. Step 4: Simplify right side
    382,048.45x = 115,306,262,444.61
  5. Step 5: Solve for x
    x = 115,306,262,444.61/382,048.45
  6. Step 6: Final answer
    x = 301,810.58

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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.