Home / 406,579.64-561,088.01-236,824.70

Finding the Fourth Proportional to 406,579.64, 561,088.01 and 236,824.70

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Solution

The fourth proportional to 406,579.64, 561,088.01 and 236,824.70 is: 326,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,579.64 : 561,088.01 = 236,824.70 : x
  2. Step 2: Convert to fraction form
    406,579.64/561,088.01 = 236,824.70/x
  3. Step 3: Cross multiply
    406,579.64x = 561,088.01 × 236,824.70
  4. Step 4: Simplify right side
    406,579.64x = 132,879,497,428.47
  5. Step 5: Solve for x
    x = 132,879,497,428.47/406,579.64
  6. Step 6: Final answer
    x = 326,822.81

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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.