Home / 729,243.41-1,006,799.42-500,177.03

Finding the Fourth Proportional to 729,243.41, 1,006,799.42 and 500,177.03

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Solution

The fourth proportional to 729,243.41, 1,006,799.42 and 500,177.03 is: 690,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,243.41 : 1,006,799.42 = 500,177.03 : x
  2. Step 2: Convert to fraction form
    729,243.41/1,006,799.42 = 500,177.03/x
  3. Step 3: Cross multiply
    729,243.41x = 1,006,799.42 × 500,177.03
  4. Step 4: Simplify right side
    729,243.41x = 503,577,939,917.77
  5. Step 5: Solve for x
    x = 503,577,939,917.77/729,243.41
  6. Step 6: Final answer
    x = 690,548.50

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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.