Home / 724,822.20-1,083,734.10-535,865.40

Finding the Fourth Proportional to 724,822.20, 1,083,734.10 and 535,865.40

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Solution

The fourth proportional to 724,822.20, 1,083,734.10 and 535,865.40 is: 801,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,822.20 : 1,083,734.10 = 535,865.40 : x
  2. Step 2: Convert to fraction form
    724,822.20/1,083,734.10 = 535,865.40/x
  3. Step 3: Cross multiply
    724,822.20x = 1,083,734.10 × 535,865.40
  4. Step 4: Simplify right side
    724,822.20x = 580,735,606,990.14
  5. Step 5: Solve for x
    x = 580,735,606,990.14/724,822.20
  6. Step 6: Final answer
    x = 801,211.12

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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.