Home / 1,785,131.21-2,673,125.17-985,525.13

Finding the Fourth Proportional to 1,785,131.21, 2,673,125.17 and 985,525.13

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Solution

The fourth proportional to 1,785,131.21, 2,673,125.17 and 985,525.13 is: 1,475,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,131.21 : 2,673,125.17 = 985,525.13 : x
  2. Step 2: Convert to fraction form
    1,785,131.21/2,673,125.17 = 985,525.13/x
  3. Step 3: Cross multiply
    1,785,131.21x = 2,673,125.17 × 985,525.13
  4. Step 4: Simplify right side
    1,785,131.21x = 2,634,432,030,670.52
  5. Step 5: Solve for x
    x = 2,634,432,030,670.52/1,785,131.21
  6. Step 6: Final answer
    x = 1,475,763.81

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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.