Home / 752,041.96-1,037,815.14-465,505

Finding the Fourth Proportional to 752,041.96, 1,037,815.14 and 465,505

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Solution

The fourth proportional to 752,041.96, 1,037,815.14 and 465,505 is: 642,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,041.96 : 1,037,815.14 = 465,505 : x
  2. Step 2: Convert to fraction form
    752,041.96/1,037,815.14 = 465,505/x
  3. Step 3: Cross multiply
    752,041.96x = 1,037,815.14 × 465,505
  4. Step 4: Simplify right side
    752,041.96x = 483,108,136,745.70
  5. Step 5: Solve for x
    x = 483,108,136,745.70/752,041.96
  6. Step 6: Final answer
    x = 642,395.19

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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.