Home / 461,857.10-637,350.39-257,902.34

Finding the Fourth Proportional to 461,857.10, 637,350.39 and 257,902.34

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Solution

The fourth proportional to 461,857.10, 637,350.39 and 257,902.34 is: 355,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,857.10 : 637,350.39 = 257,902.34 : x
  2. Step 2: Convert to fraction form
    461,857.10/637,350.39 = 257,902.34/x
  3. Step 3: Cross multiply
    461,857.10x = 637,350.39 × 257,902.34
  4. Step 4: Simplify right side
    461,857.10x = 164,374,153,794.16
  5. Step 5: Solve for x
    x = 164,374,153,794.16/461,857.10
  6. Step 6: Final answer
    x = 355,898.30

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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.