Home / 1,806,108.60-2,709,157.50-458,268.60

Finding the Fourth Proportional to 1,806,108.60, 2,709,157.50 and 458,268.60

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Solution

The fourth proportional to 1,806,108.60, 2,709,157.50 and 458,268.60 is: 687,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,108.60 : 2,709,157.50 = 458,268.60 : x
  2. Step 2: Convert to fraction form
    1,806,108.60/2,709,157.50 = 458,268.60/x
  3. Step 3: Cross multiply
    1,806,108.60x = 2,709,157.50 × 458,268.60
  4. Step 4: Simplify right side
    1,806,108.60x = 1,241,521,814,704.50
  5. Step 5: Solve for x
    x = 1,241,521,814,704.50/1,806,108.60
  6. Step 6: Final answer
    x = 687,401.53

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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.