Home / 801,243.47-1,105,777.40-457,086.98

Finding the Fourth Proportional to 801,243.47, 1,105,777.40 and 457,086.98

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Solution

The fourth proportional to 801,243.47, 1,105,777.40 and 457,086.98 is: 630,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,243.47 : 1,105,777.40 = 457,086.98 : x
  2. Step 2: Convert to fraction form
    801,243.47/1,105,777.40 = 457,086.98/x
  3. Step 3: Cross multiply
    801,243.47x = 1,105,777.40 × 457,086.98
  4. Step 4: Simplify right side
    801,243.47x = 505,436,452,318.25
  5. Step 5: Solve for x
    x = 505,436,452,318.25/801,243.47
  6. Step 6: Final answer
    x = 630,815.07

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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.