Home / 382,288.45-527,638.34-242,496.63

Finding the Fourth Proportional to 382,288.45, 527,638.34 and 242,496.63

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Solution

The fourth proportional to 382,288.45, 527,638.34 and 242,496.63 is: 334,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,288.45 : 527,638.34 = 242,496.63 : x
  2. Step 2: Convert to fraction form
    382,288.45/527,638.34 = 242,496.63/x
  3. Step 3: Cross multiply
    382,288.45x = 527,638.34 × 242,496.63
  4. Step 4: Simplify right side
    382,288.45x = 127,950,519,308.79
  5. Step 5: Solve for x
    x = 127,950,519,308.79/382,288.45
  6. Step 6: Final answer
    x = 334,696.27

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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.