Home / 729,294.47-1,006,527.81-407,025.33

Finding the Fourth Proportional to 729,294.47, 1,006,527.81 and 407,025.33

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Solution

The fourth proportional to 729,294.47, 1,006,527.81 and 407,025.33 is: 561,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,294.47 : 1,006,527.81 = 407,025.33 : x
  2. Step 2: Convert to fraction form
    729,294.47/1,006,527.81 = 407,025.33/x
  3. Step 3: Cross multiply
    729,294.47x = 1,006,527.81 × 407,025.33
  4. Step 4: Simplify right side
    729,294.47x = 409,682,306,951.66
  5. Step 5: Solve for x
    x = 409,682,306,951.66/729,294.47
  6. Step 6: Final answer
    x = 561,751.56

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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.