Home / 963,907.53-1,330,163.31-528,315.39

Finding the Fourth Proportional to 963,907.53, 1,330,163.31 and 528,315.39

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Solution

The fourth proportional to 963,907.53, 1,330,163.31 and 528,315.39 is: 729,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,907.53 : 1,330,163.31 = 528,315.39 : x
  2. Step 2: Convert to fraction form
    963,907.53/1,330,163.31 = 528,315.39/x
  3. Step 3: Cross multiply
    963,907.53x = 1,330,163.31 × 528,315.39
  4. Step 4: Simplify right side
    963,907.53x = 702,745,747,886.34
  5. Step 5: Solve for x
    x = 702,745,747,886.34/963,907.53
  6. Step 6: Final answer
    x = 729,059.30

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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.