Home / 461,777.72-637,247.20-257,832.10

Finding the Fourth Proportional to 461,777.72, 637,247.20 and 257,832.10

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Solution

The fourth proportional to 461,777.72, 637,247.20 and 257,832.10 is: 355,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,777.72 : 637,247.20 = 257,832.10 : x
  2. Step 2: Convert to fraction form
    461,777.72/637,247.20 = 257,832.10/x
  3. Step 3: Cross multiply
    461,777.72x = 637,247.20 × 257,832.10
  4. Step 4: Simplify right side
    461,777.72x = 164,302,779,319.72
  5. Step 5: Solve for x
    x = 164,302,779,319.72/461,777.72
  6. Step 6: Final answer
    x = 355,804.91

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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.