Home / 939,318.06-1,296,381.20-526,012.25

Finding the Fourth Proportional to 939,318.06, 1,296,381.20 and 526,012.25

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Solution

The fourth proportional to 939,318.06, 1,296,381.20 and 526,012.25 is: 725,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,318.06 : 1,296,381.20 = 526,012.25 : x
  2. Step 2: Convert to fraction form
    939,318.06/1,296,381.20 = 526,012.25/x
  3. Step 3: Cross multiply
    939,318.06x = 1,296,381.20 × 526,012.25
  4. Step 4: Simplify right side
    939,318.06x = 681,912,394,453.14
  5. Step 5: Solve for x
    x = 681,912,394,453.14/939,318.06
  6. Step 6: Final answer
    x = 725,965.38

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Double scale
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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.