Home / 385,005.62-531,373.38-223,954.04

Finding the Fourth Proportional to 385,005.62, 531,373.38 and 223,954.04

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Solution

The fourth proportional to 385,005.62, 531,373.38 and 223,954.04 is: 309,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,005.62 : 531,373.38 = 223,954.04 : x
  2. Step 2: Convert to fraction form
    385,005.62/531,373.38 = 223,954.04/x
  3. Step 3: Cross multiply
    385,005.62x = 531,373.38 × 223,954.04
  4. Step 4: Simplify right side
    385,005.62x = 119,003,215,199.46
  5. Step 5: Solve for x
    x = 119,003,215,199.46/385,005.62
  6. Step 6: Final answer
    x = 309,094.75

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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.