Home / 400,174.24-551,700.04-256,685.16

Finding the Fourth Proportional to 400,174.24, 551,700.04 and 256,685.16

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Solution

The fourth proportional to 400,174.24, 551,700.04 and 256,685.16 is: 353,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,174.24 : 551,700.04 = 256,685.16 : x
  2. Step 2: Convert to fraction form
    400,174.24/551,700.04 = 256,685.16/x
  3. Step 3: Cross multiply
    400,174.24x = 551,700.04 × 256,685.16
  4. Step 4: Simplify right side
    400,174.24x = 141,613,213,039.41
  5. Step 5: Solve for x
    x = 141,613,213,039.41/400,174.24
  6. Step 6: Final answer
    x = 353,878.88

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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.