Home / 939,680.11-1,296,534.33-572,152.94

Finding the Fourth Proportional to 939,680.11, 1,296,534.33 and 572,152.94

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Solution

The fourth proportional to 939,680.11, 1,296,534.33 and 572,152.94 is: 789,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,680.11 : 1,296,534.33 = 572,152.94 : x
  2. Step 2: Convert to fraction form
    939,680.11/1,296,534.33 = 572,152.94/x
  3. Step 3: Cross multiply
    939,680.11x = 1,296,534.33 × 572,152.94
  4. Step 4: Simplify right side
    939,680.11x = 741,815,922,237.76
  5. Step 5: Solve for x
    x = 741,815,922,237.76/939,680.11
  6. Step 6: Final answer
    x = 789,434.53

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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.