Home / 457,028.50-630,694.95-263,365.06

Finding the Fourth Proportional to 457,028.50, 630,694.95 and 263,365.06

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Solution

The fourth proportional to 457,028.50, 630,694.95 and 263,365.06 is: 363,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,028.50 : 630,694.95 = 263,365.06 : x
  2. Step 2: Convert to fraction form
    457,028.50/630,694.95 = 263,365.06/x
  3. Step 3: Cross multiply
    457,028.50x = 630,694.95 × 263,365.06
  4. Step 4: Simplify right side
    457,028.50x = 166,103,013,348.45
  5. Step 5: Solve for x
    x = 166,103,013,348.45/457,028.50
  6. Step 6: Final answer
    x = 363,441.26

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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.