Home / 681,019.57-939,357.03-425,927.89

Finding the Fourth Proportional to 681,019.57, 939,357.03 and 425,927.89

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Solution

The fourth proportional to 681,019.57, 939,357.03 and 425,927.89 is: 587,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,019.57 : 939,357.03 = 425,927.89 : x
  2. Step 2: Convert to fraction form
    681,019.57/939,357.03 = 425,927.89/x
  3. Step 3: Cross multiply
    681,019.57x = 939,357.03 × 425,927.89
  4. Step 4: Simplify right side
    681,019.57x = 400,098,357,744.57
  5. Step 5: Solve for x
    x = 400,098,357,744.57/681,019.57
  6. Step 6: Final answer
    x = 587,499.06

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1.5x scale

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.