Home / 1,348,810.70-2,023,216.05-1,238,585.90

Finding the Fourth Proportional to 1,348,810.70, 2,023,216.05 and 1,238,585.90

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Solution

The fourth proportional to 1,348,810.70, 2,023,216.05 and 1,238,585.90 is: 1,857,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,810.70 : 2,023,216.05 = 1,238,585.90 : x
  2. Step 2: Convert to fraction form
    1,348,810.70/2,023,216.05 = 1,238,585.90/x
  3. Step 3: Cross multiply
    1,348,810.70x = 2,023,216.05 × 1,238,585.90
  4. Step 4: Simplify right side
    1,348,810.70x = 2,505,926,872,183.69
  5. Step 5: Solve for x
    x = 2,505,926,872,183.69/1,348,810.70
  6. Step 6: Final answer
    x = 1,857,878.85

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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.