Home / 1,657,280.05-2,486,025.15-520,087.09

Finding the Fourth Proportional to 1,657,280.05, 2,486,025.15 and 520,087.09

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Solution

The fourth proportional to 1,657,280.05, 2,486,025.15 and 520,087.09 is: 780,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,280.05 : 2,486,025.15 = 520,087.09 : x
  2. Step 2: Convert to fraction form
    1,657,280.05/2,486,025.15 = 520,087.09/x
  3. Step 3: Cross multiply
    1,657,280.05x = 2,486,025.15 × 520,087.09
  4. Step 4: Simplify right side
    1,657,280.05x = 1,292,949,585,930.31
  5. Step 5: Solve for x
    x = 1,292,949,585,930.31/1,657,280.05
  6. Step 6: Final answer
    x = 780,163.61

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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.