Home / 1,284,591.03-1,772,592.50-711,487.68

Finding the Fourth Proportional to 1,284,591.03, 1,772,592.50 and 711,487.68

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Solution

The fourth proportional to 1,284,591.03, 1,772,592.50 and 711,487.68 is: 981,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,591.03 : 1,772,592.50 = 711,487.68 : x
  2. Step 2: Convert to fraction form
    1,284,591.03/1,772,592.50 = 711,487.68/x
  3. Step 3: Cross multiply
    1,284,591.03x = 1,772,592.50 × 711,487.68
  4. Step 4: Simplify right side
    1,284,591.03x = 1,261,177,721,852.96
  5. Step 5: Solve for x
    x = 1,261,177,721,852.96/1,284,591.03
  6. Step 6: Final answer
    x = 981,773.73

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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.