Home / 1,115,986.99-1,540,182.45-632,500.24

Finding the Fourth Proportional to 1,115,986.99, 1,540,182.45 and 632,500.24

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Solution

The fourth proportional to 1,115,986.99, 1,540,182.45 and 632,500.24 is: 872,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,986.99 : 1,540,182.45 = 632,500.24 : x
  2. Step 2: Convert to fraction form
    1,115,986.99/1,540,182.45 = 632,500.24/x
  3. Step 3: Cross multiply
    1,115,986.99x = 1,540,182.45 × 632,500.24
  4. Step 4: Simplify right side
    1,115,986.99x = 974,165,769,268.79
  5. Step 5: Solve for x
    x = 974,165,769,268.79/1,115,986.99
  6. Step 6: Final answer
    x = 872,918.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.