Home / 1,314,471.75-1,971,707.63-317,199.75

Finding the Fourth Proportional to 1,314,471.75, 1,971,707.63 and 317,199.75

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Solution

The fourth proportional to 1,314,471.75, 1,971,707.63 and 317,199.75 is: 475,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,471.75 : 1,971,707.63 = 317,199.75 : x
  2. Step 2: Convert to fraction form
    1,314,471.75/1,971,707.63 = 317,199.75/x
  3. Step 3: Cross multiply
    1,314,471.75x = 1,971,707.63 × 317,199.75
  4. Step 4: Simplify right side
    1,314,471.75x = 625,425,165,723.09
  5. Step 5: Solve for x
    x = 625,425,165,723.09/1,314,471.75
  6. Step 6: Final answer
    x = 475,799.63

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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.