Home / 417,857.19-576,636.98-226,877.91

Finding the Fourth Proportional to 417,857.19, 576,636.98 and 226,877.91

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Solution

The fourth proportional to 417,857.19, 576,636.98 and 226,877.91 is: 313,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,857.19 : 576,636.98 = 226,877.91 : x
  2. Step 2: Convert to fraction form
    417,857.19/576,636.98 = 226,877.91/x
  3. Step 3: Cross multiply
    417,857.19x = 576,636.98 × 226,877.91
  4. Step 4: Simplify right side
    417,857.19x = 130,826,192,851.11
  5. Step 5: Solve for x
    x = 130,826,192,851.11/417,857.19
  6. Step 6: Final answer
    x = 313,088.29

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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.