Home / 935,720.70-1,401,507.45-724,674.30

Finding the Fourth Proportional to 935,720.70, 1,401,507.45 and 724,674.30

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Solution

The fourth proportional to 935,720.70, 1,401,507.45 and 724,674.30 is: 1,085,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,720.70 : 1,401,507.45 = 724,674.30 : x
  2. Step 2: Convert to fraction form
    935,720.70/1,401,507.45 = 724,674.30/x
  3. Step 3: Cross multiply
    935,720.70x = 1,401,507.45 × 724,674.30
  4. Step 4: Simplify right side
    935,720.70x = 1,015,636,430,273.54
  5. Step 5: Solve for x
    x = 1,015,636,430,273.54/935,720.70
  6. Step 6: Final answer
    x = 1,085,405.54

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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.