Home / 382,287.45-527,636.96-242,495.63

Finding the Fourth Proportional to 382,287.45, 527,636.96 and 242,495.63

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Solution

The fourth proportional to 382,287.45, 527,636.96 and 242,495.63 is: 334,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,287.45 : 527,636.96 = 242,495.63 : x
  2. Step 2: Convert to fraction form
    382,287.45/527,636.96 = 242,495.63/x
  3. Step 3: Cross multiply
    382,287.45x = 527,636.96 × 242,495.63
  4. Step 4: Simplify right side
    382,287.45x = 127,949,655,154.46
  5. Step 5: Solve for x
    x = 127,949,655,154.46/382,287.45
  6. Step 6: Final answer
    x = 334,694.88

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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.