Home / 729,209.96-1,092,240.28-711,364.04

Finding the Fourth Proportional to 729,209.96, 1,092,240.28 and 711,364.04

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Solution

The fourth proportional to 729,209.96, 1,092,240.28 and 711,364.04 is: 1,065,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,209.96 : 1,092,240.28 = 711,364.04 : x
  2. Step 2: Convert to fraction form
    729,209.96/1,092,240.28 = 711,364.04/x
  3. Step 3: Cross multiply
    729,209.96x = 1,092,240.28 × 711,364.04
  4. Step 4: Simplify right side
    729,209.96x = 776,980,458,231.53
  5. Step 5: Solve for x
    x = 776,980,458,231.53/729,209.96
  6. Step 6: Final answer
    x = 1,065,509.94

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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.