Home / 457,188.35-630,860.15-263,603.31

Finding the Fourth Proportional to 457,188.35, 630,860.15 and 263,603.31

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Solution

The fourth proportional to 457,188.35, 630,860.15 and 263,603.31 is: 363,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,188.35 : 630,860.15 = 263,603.31 : x
  2. Step 2: Convert to fraction form
    457,188.35/630,860.15 = 263,603.31/x
  3. Step 3: Cross multiply
    457,188.35x = 630,860.15 × 263,603.31
  4. Step 4: Simplify right side
    457,188.35x = 166,296,824,346.11
  5. Step 5: Solve for x
    x = 166,296,824,346.11/457,188.35
  6. Step 6: Final answer
    x = 363,738.10

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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.