Home / 729,724.56-1,094,562.90-330,365.40

Finding the Fourth Proportional to 729,724.56, 1,094,562.90 and 330,365.40

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Solution

The fourth proportional to 729,724.56, 1,094,562.90 and 330,365.40 is: 495,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,724.56 : 1,094,562.90 = 330,365.40 : x
  2. Step 2: Convert to fraction form
    729,724.56/1,094,562.90 = 330,365.40/x
  3. Step 3: Cross multiply
    729,724.56x = 1,094,562.90 × 330,365.40
  4. Step 4: Simplify right side
    729,724.56x = 361,605,710,283.66
  5. Step 5: Solve for x
    x = 361,605,710,283.66/729,724.56
  6. Step 6: Final answer
    x = 495,537.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.