Home / 1,568,927.76-2,354,652.60-810,991.20

Finding the Fourth Proportional to 1,568,927.76, 2,354,652.60 and 810,991.20

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Solution

The fourth proportional to 1,568,927.76, 2,354,652.60 and 810,991.20 is: 1,217,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,927.76 : 2,354,652.60 = 810,991.20 : x
  2. Step 2: Convert to fraction form
    1,568,927.76/2,354,652.60 = 810,991.20/x
  3. Step 3: Cross multiply
    1,568,927.76x = 2,354,652.60 × 810,991.20
  4. Step 4: Simplify right side
    1,568,927.76x = 1,909,602,537,657.12
  5. Step 5: Solve for x
    x = 1,909,602,537,657.12/1,568,927.76
  6. Step 6: Final answer
    x = 1,217,138.60

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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.