Home / 868,716.82-1,301,635.05-614,738.89

Finding the Fourth Proportional to 868,716.82, 1,301,635.05 and 614,738.89

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Solution

The fourth proportional to 868,716.82, 1,301,635.05 and 614,738.89 is: 921,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,716.82 : 1,301,635.05 = 614,738.89 : x
  2. Step 2: Convert to fraction form
    868,716.82/1,301,635.05 = 614,738.89/x
  3. Step 3: Cross multiply
    868,716.82x = 1,301,635.05 × 614,738.89
  4. Step 4: Simplify right side
    868,716.82x = 800,165,685,822.10
  5. Step 5: Solve for x
    x = 800,165,685,822.10/868,716.82
  6. Step 6: Final answer
    x = 921,089.21

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1.5x scale

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.