Home / 461,860.10-637,354.52-257,905.34

Finding the Fourth Proportional to 461,860.10, 637,354.52 and 257,905.34

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Solution

The fourth proportional to 461,860.10, 637,354.52 and 257,905.34 is: 355,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,860.10 : 637,354.52 = 257,905.34 : x
  2. Step 2: Convert to fraction form
    461,860.10/637,354.52 = 257,905.34/x
  3. Step 3: Cross multiply
    461,860.10x = 637,354.52 × 257,905.34
  4. Step 4: Simplify right side
    461,860.10x = 164,377,134,181.14
  5. Step 5: Solve for x
    x = 164,377,134,181.14/461,860.10
  6. Step 6: Final answer
    x = 355,902.43

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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.