Home / 1,454,015.44-2,180,856.28-389,140.60

Finding the Fourth Proportional to 1,454,015.44, 2,180,856.28 and 389,140.60

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Solution

The fourth proportional to 1,454,015.44, 2,180,856.28 and 389,140.60 is: 583,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,015.44 : 2,180,856.28 = 389,140.60 : x
  2. Step 2: Convert to fraction form
    1,454,015.44/2,180,856.28 = 389,140.60/x
  3. Step 3: Cross multiply
    1,454,015.44x = 2,180,856.28 × 389,140.60
  4. Step 4: Simplify right side
    1,454,015.44x = 848,659,721,312.97
  5. Step 5: Solve for x
    x = 848,659,721,312.97/1,454,015.44
  6. Step 6: Final answer
    x = 583,666.24

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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.