Home / 457,645.35-631,620.49-292,144.81

Finding the Fourth Proportional to 457,645.35, 631,620.49 and 292,144.81

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Solution

The fourth proportional to 457,645.35, 631,620.49 and 292,144.81 is: 403,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,645.35 : 631,620.49 = 292,144.81 : x
  2. Step 2: Convert to fraction form
    457,645.35/631,620.49 = 292,144.81/x
  3. Step 3: Cross multiply
    457,645.35x = 631,620.49 × 292,144.81
  4. Step 4: Simplify right side
    457,645.35x = 184,524,648,043.16
  5. Step 5: Solve for x
    x = 184,524,648,043.16/457,645.35
  6. Step 6: Final answer
    x = 403,204.46

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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.