Home / 750,043.76-1,035,052.36-405,872.12

Finding the Fourth Proportional to 750,043.76, 1,035,052.36 and 405,872.12

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Solution

The fourth proportional to 750,043.76, 1,035,052.36 and 405,872.12 is: 560,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,043.76 : 1,035,052.36 = 405,872.12 : x
  2. Step 2: Convert to fraction form
    750,043.76/1,035,052.36 = 405,872.12/x
  3. Step 3: Cross multiply
    750,043.76x = 1,035,052.36 × 405,872.12
  4. Step 4: Simplify right side
    750,043.76x = 420,098,897,237.15
  5. Step 5: Solve for x
    x = 420,098,897,237.15/750,043.76
  6. Step 6: Final answer
    x = 560,099.19

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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.